She dropped her daughter off at her ex's and was never seen again.

She is the last person one would imagine to be the victim of a imagine to be the victim of a shocking shocking shocking disappearance mystery. Shelley Mook, a disappearance mystery. Shelley Mook, a disappearance mystery. Shelley Mook, a young mother in a young mother in a young mother in a quiet town, quiet town, quiet town, seemed to have no seemed to have no seemed to have no enemies in the enemies in the enemies in the world. world. world. She was so She was so She was so excited that excited that excited that she would have a she would have a she would have a daughter. daughter. daughter. Married to her high Married to her high Married to her high school sweetheart. There was no school sweetheart. There was no one else for her, and he one else for her, and he was such a wonderful was such a wonderful was such a wonderful guy. A guy. A guy. A popular teacher. popular teacher. popular teacher. Everyone loved her. As Everyone loved her. As Everyone loved her. As a teacher, she a teacher, she a teacher, she simply shone. simply shone. simply shone. Everyone loves Shelley. Everyone loves Shelley. But someone made her But someone made her disappear. disappear. disappear. Did someone kidnap her? Was Did someone kidnap her? Was Did someone kidnap her? Was she kidnapped along with the she kidnapped along with the she kidnapped along with the car, taken to the car, taken to the car, taken to the wilderness and killed? wilderness and killed? Brittany Brooks vividly Brittany Brooks vividly remembers the day remembers the day remembers the day she and her she and her she and her best friend best friend best friend Shelley first Shelley first Shelley first met Tyler met Tyler met Tyler Mook in Pennsylvania. Mook in Pennsylvania. Mook in Pennsylvania. Oh, he was handsome. We Oh, he was handsome. We Oh, he was handsome. We just wanted just wanted just wanted to know everything about him to know everything about him to know everything about him , and the rest is , and the rest is , and the rest is history. That is, they history. That is, they history. That is, they immediately started immediately started immediately started dating and dating and dating and were together all the time. were together all the time. were together all the time. Shortly thereafter, Shortly thereafter, Shortly thereafter, 18-year-old Shelley and 18-year-old Shelley and 18-year-old Shelley and Tyler, who is 6 Tyler, who is 6 Tyler, who is 6 years older, years older, years older, get married, have a get married, have a get married, have a baby, and baby, and baby, and move to move to move to Tennessee to live Tennessee to live Tennessee to live near his family.

near his family. near his family. It was a complete It was a complete It was a complete delight. She was so delight. She was so delight. She was so happy that she would have a baby happy that she would have a baby happy that she would have a baby girl who she could girl who she could girl who she could dress and do all the things dress and do all the things dress and do all the things that mothers do. that mothers do. The girl was named The girl was named Liliana, but the tension Liliana, but the tension Liliana, but the tension in the young marriage in the young marriage in the young marriage turned out to be too turned out to be too turned out to be too strong, and after 6 strong, and after 6 strong, and after 6 years together the couple years together the couple years together the couple divorced. divorced. Even when things Even when things started to go wrong, there were started to go wrong, there were started to go wrong, there were always those always those always those second chances and the hope second chances and the hope second chances and the hope that things would be different. that things would be different. But it never But it never happened otherwise. happened otherwise. happened otherwise. Shelley moves to Shelley moves to Shelley moves to an apartment in a an apartment in a an apartment in a neighboring town. neighboring town. neighboring town. She starts She starts She starts working as a teacher working as a teacher working as a teacher at a local high at a local high at a local high school. school. school. By all accounts, By all accounts, By all accounts, she was a good she was a good she was a good teacher, teacher, teacher, respected by her colleagues and respected by her colleagues and respected by her colleagues and loved by her students. loved by her students. loved by her students. And so she shares And so she shares And so she shares custody of her daughter with her custody of her daughter with her custody of her daughter with her ex-husband ex-husband ex-husband Tyler when she Tyler when she Tyler when she starts dating starts dating starts dating someone new. someone new. someone new. Actually, I didn't Actually, I didn't Actually, I didn't know him. He seemed know him. He seemed know him. He seemed very, very quiet and very, very quiet and very, very quiet and withdrawn compared withdrawn compared withdrawn compared to Tyler. to Tyler. Things are going well for Shelly Things are going well for Shelly until the day until the day until the day she arranges with her she arranges with her she arranges with her husband to visit husband to visit husband to visit her apartment her apartment her apartment to get some to get some to get some work done. So, the master work done. So, the master work done. So, the master says that she never says that she never says that she never came.

came. came. She wasn't there. She wasn't there. She wasn't there. The next day, Shelley The next day, Shelley The next day, Shelley doesn't show up for doesn't show up for doesn't show up for work. Britney work. Britney work. Britney gets a call from gets a call from gets a call from school and has a school and has a school and has a bad bad bad feeling that feeling that feeling that something terrible has happened. something terrible has happened. something terrible has happened. They were very They were very They were very worried. And at that worried. And at that worried. And at that moment it was, it was moment it was, it was moment it was, it was pure fear. I pure fear. I pure fear. I felt like I knew felt like I knew she was gone. she was gone. Britney starts Britney starts making calls. making calls. making calls. I'm talking to everyone I'm talking to everyone I'm talking to everyone we could we could we could talk to, talk to, talk to, law enforcement officers, law enforcement officers, law enforcement officers, asking why they're asking why they're asking why they're not doing more, not doing more, not doing more, why they're not making why they're not making why they're not making more of an effort. Shelley's more of an effort. Shelley's more of an effort. Shelley's ex, ex, ex, Tyler, also Tyler, also Tyler, also calls the police calls the police calls the police after she after she after she fails to pick up fails to pick up fails to pick up their daughter from his their daughter from his their daughter from his house. house. house. I don't know exactly what I don't know exactly what I don't know exactly what he told them when he he told them when he he told them when he called. I only know called. I only know called. I only know that he called and that he called and that he called and reported her reported her reported her missing. missing. missing. Around the same Around the same Around the same time, firefighters in a time, firefighters in a time, firefighters in a neighboring county are neighboring county are neighboring county are dealing with the dealing with the dealing with the aftermath of a aftermath of a aftermath of a car fire in a car fire in a car fire in a remote field overnight. There remote field overnight. There remote field overnight. There is no one in the car, is no one in the car, is no one in the car, and authorities believe and authorities believe and authorities believe it is likely it is likely it is likely insurance fraud insurance fraud insurance fraud or a stolen or a stolen or a stolen vehicle.

vehicle. vehicle. They did find They did find They did find traces of a fuel mixture. traces of a fuel mixture. traces of a fuel mixture. So they knew it So they knew it So they knew it was arson. They was arson. They was arson. They knew it was done knew it was done knew it was done intentionally. But they didn't intentionally. But they didn't intentionally. But they didn't know why. They know why. They know why. They thought someone was thought someone was thought someone was just riding just riding just riding for fun and for fun and for fun and then abandoned the car. then abandoned the car. Everything in the car burned Everything in the car burned to the ground. to the ground. to the ground. There are no license plates, and it is There are no license plates, and it is impossible to track it, except for impossible to track it, except for one moment. one moment. one moment. After the car After the car After the car cooled down, they were able to cooled down, they were able to cooled down, they were able to obtain the obtain the obtain the car's VIN and car's VIN and car's VIN and check it. check it. It turned out that this It turned out that this burned car burned car burned car belonged to Shelly Mook. belonged to Shelly Mook. What did the car look like? What did the car look like? She was completely She was completely She was completely burned out. It burned out. It burned out. It just looked like a just looked like a car frame. car frame. And Shelley was nowhere to And Shelley was nowhere to And Shelley was nowhere to be found. be found. be found. Literally without a Literally without a Literally without a trace. trace. trace. The community was The community was The community was stunned. Her stunned. Her stunned. Her disappearance shocked disappearance shocked disappearance shocked everyone. Her students were everyone. Her students were everyone. Her students were very upset, very upset, very upset, shocked. shocked. Police are beginning Police are beginning to retrace to retrace to retrace Shelley's path from when Shelley's path from when Shelley's path from when she was last seen she was last seen she was last seen walking home from work walking home from work walking home from work to to to meet a meet a meet a handyman who handyman who handyman who was working at her was working at her was working at her apartment. apartment. apartment. Did the police find Did the police find Did the police find that craftsman, do you that craftsman, do you that craftsman, do you know?

know? know? Yes, we Yes, we Yes, we talked to him. talked to him. talked to him. Do you know if the Do you know if the master's alibi was verified? master's alibi was verified? I don't know. I don't know. I don't know. What about the new What about the new What about the new man in her life? man in her life? man in her life? Shelley Shelley Shelley was dating someone at the was dating someone at the was dating someone at the time of her disappearance. time of her disappearance. time of her disappearance. Yes, it was. I Yes, it was. I Yes, it was. I actually searched actually searched actually searched Shelley's new apartment in Shelley's new apartment in Shelley's new apartment in Murfreesboro for Murfreesboro for Murfreesboro for information information information about her state of mind. about her state of mind. about her state of mind. What was What was What was Shelley's usual daily routine? Shelley's usual daily routine? Shelley's usual daily routine? She mostly She mostly She mostly went to work and went to work and went to work and home. home. 24-year-old Shelley Mook is 24-year-old Shelley Mook is still missing. still missing. Authorities are looking for her and Authorities are looking for her and actively working on the actively working on the actively working on the case, but friends and case, but friends and case, but friends and family fear family fear family fear the worst. the worst. Never. She would never Never. She would never abandon her abandon her abandon her daughter. Her daughter was the daughter. Her daughter was the daughter. Her daughter was the whole world to her. whole world to her. whole world to her. She didn't leave She didn't leave She didn't leave voluntarily. The voluntarily. The Tennessee Bureau of Investigation is now Tennessee Bureau of Investigation is now involved in involved in involved in re-examining the re-examining the re-examining the case, closely case, closely case, closely examining all examining all examining all possible possible possible suspects, suspects, suspects, including the handyman including the handyman including the handyman she was supposed to she was supposed to she was supposed to meet at the meet at the meet at the apartment and her apartment and her apartment and her new boyfriend. Have new boyfriend. Have you interviewed the maintenance technician?

maintenance technician? I am not. The police have I am not. The police have I am not. The police have already questioned him and already questioned him and already questioned him and cleared him of suspicion. cleared him of suspicion. cleared him of suspicion. Private investigator Private investigator Private investigator Kevin Keel was hired by Kevin Keel was hired by Kevin Keel was hired by Shelley's family to Shelley's family to Shelley's family to help find her. help find her. help find her. Keel says that once Keel says that once Keel says that once police cleared the police cleared the police cleared the foreman and the foreman and the foreman and the new boyfriend of suspicion, they new boyfriend of suspicion, they new boyfriend of suspicion, they turned turned turned their attention back to her their attention back to her their attention back to her ex-husband, ex-husband, ex-husband, Tyler Mook. And Tyler Mook. And Tyler Mook. And it turned out that it turned out that it turned out that everything in their marriage everything in their marriage everything in their marriage was much more was much more was much more complicated than many complicated than many complicated than many thought. thought. thought. He was cruel, He was cruel, He was cruel, sometimes even sometimes even sometimes even inhumane. Court inhumane. Court inhumane. Court records show records show records show he pushed and he pushed and he pushed and grabbed her as he lost his temper grabbed her as he lost his temper grabbed her as he lost his temper . There is . There is . There is documented documented documented evidence of evidence of evidence of domestic domestic domestic violence violence violence occurring in that occurring in that occurring in that house. house. house. As a reminder, Tyler says he As a reminder, Tyler says he As a reminder, Tyler says he called the police the called the police the called the police the day Shelley disappeared, day Shelley disappeared, day Shelley disappeared, saying she was saying she was saying she was supposed to pick up their supposed to pick up their supposed to pick up their daughter, but never daughter, but never daughter, but never showed up. showed up. showed up. Police now believe Police now believe Tyler may have been the Tyler may have been the Tyler may have been the last person to see last person to see last person to see Shelley. In fact, they Shelley. In fact, they Shelley. In fact, they say she say she say she was stopping by his was stopping by his was stopping by his house with their house with their house with their daughter Liliana in the daughter Liliana in the daughter Liliana in the car. car.

After picking up her daughter from After picking up her daughter from school, she school, she school, she arrived at arrived at arrived at Tyler's house that day, ostensibly to Tyler's house that day, ostensibly to Tyler's house that day, ostensibly to return a box of return a box of return a box of his belongings. his belongings. She used to live in She used to live in this house. We know this house. We know this house. We know she arrived, but she arrived, but she arrived, but nothing more. She nothing more. She nothing more. She simply disappeared into thin simply disappeared into thin simply disappeared into thin air. air. air. As As As Shelley's family's suspicions about Shelley's family's suspicions about Shelley's family's suspicions about Tyler grow, Tyler grow, Tyler grow, Shelley's mother Shelley's mother Shelley's mother files for custody of 6- files for custody of 6- year-old Liliana. year-old Liliana. year-old Liliana. Tyler fights for Tyler fights for Tyler fights for her and gives an on- her and gives an on- her and gives an on- camera interview during the camera interview during the camera interview during the custody hearing, custody hearing, custody hearing, but when he finds himself in the but when he finds himself in the but when he finds himself in the spotlight, he spotlight, he spotlight, he falls silent. falls silent. falls silent. Were you upset that Were you upset that Shelley Shelley Shelley was dating was dating was dating other men? other men? other men? On the advice of counsel, On the advice of counsel, On the advice of counsel, I respectfully I respectfully I respectfully decline decline decline to answer on to answer on to answer on Fifth Fifth Fifth Amendment grounds. Amendment grounds. Amendment grounds. Shelley's family sued Shelley's family sued Shelley's family sued him, him, him, hoping that hoping that hoping that he he he would answer some would answer some would answer some questions in family court, but they were questions in family court, but they were questions in family court, but they were wrong. Amazingly, wrong. Amazingly, wrong. Amazingly, he he he references the Fifth references the Fifth references the Fifth Amendment over 150 Amendment over 150 Amendment over 150 times. Did times. Did times. Did you exhibit you exhibit you exhibit violent outbursts of violent outbursts of violent outbursts of anger towards Shelly anger towards Shelly anger towards Shelly because of other because of other because of other men? men? men? On the advice of counsel, On the advice of counsel, On the advice of counsel, I respectfully I respectfully I respectfully decline decline decline to answer on to answer on to answer on Fifth Fifth Fifth Amendment grounds.

Amendment grounds. Amendment grounds. Then, out of Then, out of Then, out of nowhere, he suddenly nowhere, he suddenly nowhere, he suddenly answers a strange answers a strange answers a strange question about what question about what question about what happened in his house the happened in his house the happened in his house the day Shelley disappeared. Did day Shelley disappeared. Did day Shelley disappeared. Did you have you have you have sex with Shelly on sex with Shelly on sex with Shelly on February 28th? February 28th? Yes. Yes. At what time? At what time? On the advice of counsel, On the advice of counsel, I respectfully I respectfully I respectfully decline decline decline to answer on to answer on to answer on Fifth Fifth Fifth Amendment grounds. Amendment grounds. Amendment grounds. Why do you think Why do you think Why do you think he answered he answered he answered this question out of all the this question out of all the this question out of all the others? others? others? It was...it was It was...it was It was...it was puzzling. It puzzling. It puzzling. It felt like felt like felt like he was proud to be he was proud to be he was proud to be able to say he had able to say he had able to say he had sex with her. And...and we sex with her. And...and we sex with her. And...and we don't really know don't really know don't really know if that's true. He was if that's true. He was if that's true. He was proud of it. proud of it. proud of it. Absolutely. Absolutely. But now the authorities are also But now the authorities are also questioning little questioning little questioning little Liliana about the day Liliana about the day Liliana about the day her mother disappeared, and her mother disappeared, and her mother disappeared, and her answers are becoming a her answers are becoming a her answers are becoming a serious serious serious alarm bell. alarm bell. Liliana's version Liliana's version was that was that was that Shelley got out of the car Shelley got out of the car , walked to the door, , walked to the door, , walked to the door, leaving her in the leaving her in the leaving her in the child seat. child seat. child seat. Shelley went Shelley went Shelley went inside with inside with inside with Tyler. At some Tyler. At some Tyler. At some point, Tyler point, Tyler point, Tyler came back outside, came back outside, came back outside, got her out of her high got her out of her high got her out of her high chair, carried her into the chair, carried her into the chair, carried her into the house, and took her to house, and took her to house, and took her to her old bedroom.

her old bedroom. She said she didn't She said she didn't see her mother when she see her mother when she see her mother when she entered the house and entered the house and entered the house and went to the bedroom. went to the bedroom. went to the bedroom. She was told to go to She was told to go to She was told to go to her room. And she her room. And she her room. And she never never never saw her mother again. I have saw her mother again. I have saw her mother again. I have no doubt that no doubt that no doubt that she disappeared because of she disappeared because of she disappeared because of him. him. Police have named Mook as Police have named Mook as the person involved in the person involved in the person involved in Shelley's disappearance, but Shelley's disappearance, but Shelley's disappearance, but they declined they declined they declined to discuss the case to discuss the case to discuss the case with Crime Watch Daily. with Crime Watch Daily. with Crime Watch Daily. And to the trash. And to the trash. And to the trash. Private investigator Private investigator Private investigator Keel also spent Keel also spent Keel also spent countless countless countless hours researching the hours researching the hours researching the facts and facts and facts and worked closely with worked closely with worked closely with Shelley's family and Shelley's family and Shelley's family and law enforcement. And law enforcement. And law enforcement. And he has very bad he has very bad he has very bad feelings about feelings about feelings about Tyler Mook and Tyler Mook and Tyler Mook and Shelley's car, Shelley's car, Shelley's car, which was found which was found which was found burning in a field just burning in a field just burning in a field just hours after hours after hours after she disappeared. she disappeared. I think Shelley I think Shelley was probably dead was probably dead was probably dead before Tyler before Tyler before Tyler brought Lillian into the house. brought Lillian into the house. And at some point And at some point that night, I think that night, I think that night, I think Shelley was taken away, as was Shelley was taken away, as was Shelley was taken away, as was her car. her car. And then And then this amazing this amazing this amazing news comes along. If Tyler news comes along. If Tyler news comes along. If Tyler was involved, Keel doesn't was involved, Keel doesn't was involved, Keel doesn't believe he acted believe he acted believe he acted alone.

alone. alone. He should have gotten He should have gotten He should have gotten help if help if help if he was the one who got rid of the car and he was the one who got rid of the car and he was the one who got rid of the car and burned it. Because it's burned it. Because it's burned it. Because it's about 30 miles from about 30 miles from about 30 miles from his house. There was no way he his house. There was no way he his house. There was no way he could leave Liliana could leave Liliana could leave Liliana in bed alone, go in bed alone, go in bed alone, go burn the car, and burn the car, and burn the car, and then walk back then walk back then walk back in that time. in that time. And 10 days after And 10 days after Shelley's disappearance, Keel Shelley's disappearance, Keel Shelley's disappearance, Keel also finds also finds also finds what could be what could be what could be key evidence— key evidence— surveillance footage from the surveillance footage from the early hours of her early hours of her early hours of her disappearance. disappearance. I managed to find I managed to find a video from a store a a video from a store a a video from a store a few miles from his few miles from his few miles from his home showing home showing home showing him pulling up in his red S10 pickup truck around 2:00–3: him pulling up in his red S10 pickup truck around 2:00–3: him pulling up in his red S10 pickup truck around 2:00–3: 00 AM on March 1st 00 AM on March 1st . Does he stop at he stop at the dump? the dump? the dump? He does He does He does stop at stop at stop at the dumpster for about the dumpster for about the dumpster for about 5–10 minutes. 5–10 minutes. 5–10 minutes. So, who has this So, who has this So, who has this video now? The video now? The Tennessee Bureau of Investigation has this Tennessee Bureau of Investigation has this video in its possession. Did video in its possession. Did video in its possession. Did they tell you anything they tell you anything they tell you anything about this about this about this video? video? video? Uh, no, they didn't tell. Uh, no, they didn't tell.

Meanwhile, investigators in the Meanwhile, investigators in the custody case custody case custody case are shocked by another are shocked by another are shocked by another shocking discovery shocking discovery shocking discovery about Liliana. about Liliana. They found out that They found out that Tyler had talked to Tyler had talked to Tyler had talked to his 6-year-old his 6-year-old his 6-year-old daughter about setting fire to his daughter about setting fire to his daughter about setting fire to his ex-mother-in- ex-mother-in- ex-mother-in- law's house. It was law's house. It was law's house. It was unthinkable. He wanted to unthinkable. He wanted to unthinkable. He wanted to give the girl give the girl give the girl matches so she matches so she matches so she could actually could actually could actually help burn down help burn down help burn down her grandmother's house. her grandmother's house. her grandmother's house. This little This little This little girl's mother disappeared, and girl's mother disappeared, and girl's mother disappeared, and now this? now this? Ultimately, Shelley's family Ultimately, Shelley's family gains custody of gains custody of gains custody of Liliana, but Tyler Liliana, but Tyler Liliana, but Tyler still seems still seems still seems obsessed with wanting obsessed with wanting obsessed with wanting her back. The proof her back. The proof her back. The proof was this call to was this call to was this call to 911, which he 911, which he 911, which he made by mistake. made by mistake. made by mistake. Hello, my love. Hello. Hello, my love. Hello. Incredibly, this is a Incredibly, this is a random out-of- random out-of- random out-of- pocket call from pocket call from pocket call from Tyler Mook himself. Tyler Mook himself. Tyler Mook himself. And they know I'm And they know I'm And they know I'm not going anywhere right now, not going anywhere right now, not going anywhere right now, so have fun. so have fun. so have fun. During the 22- During the 22- minute call, minute call, minute call, he talks to he talks to he talks to his father while they his father while they his father while they work with work with work with power tools power tools . Most of . Most of . Most of the conversation is inaudible the conversation is inaudible , but what can be , but what can be , but what can be heard sounds like the heard sounds like the Shelley disappearance case.

Shelley disappearance case. They can't They can't They can't prove anything. They want to prove anything. They want to prove anything. They want to come and come and come and arrest me, don't arrest me, don't arrest me, don't worry. worry. worry. And he's talking about the And he's talking about the And he's talking about the car. car. car. We don't know whose car it is. We don't know whose car it is. We don't know whose car it is. Don't pick on me with Don't pick on me with Don't pick on me with that car. You're that car. You're that car. You're going to cause me a lot of going to cause me a lot of going to cause me a lot of trouble because of this. A trouble because of this. A trouble because of this. A few minutes later, a few minutes later, a few minutes later, a second 911 call came in second 911 call came in from a very from a very concerned Tyler concerned Tyler concerned Tyler Mook. He made this call Mook. He made this call Mook. He made this call intentionally. Did intentionally. Did intentionally. Did you receive you receive you receive a call from this a call from this a call from this number a couple of minutes number a couple of minutes number a couple of minutes ago? ago? ago? Yes, we had an Yes, we had an Yes, we had an open line from open line from open line from him. him. him. What is happening on What is happening on What is happening on this open line? this open line? this open line? Is it recorded and Is it recorded and Is it recorded and all that? all that? all that? Investigator Keel says Investigator Keel says Investigator Keel says one of the biggest one of the biggest one of the biggest revelations during revelations during revelations during the call is Mook's state of mind the call is Mook's state of mind the call is Mook's state of mind . . . Tyler is afraid that Tyler is afraid that Tyler is afraid that the police are following the police are following the police are following him. He is afraid that he him. He is afraid that he him. He is afraid that he could be captured at could be captured at any moment. And he any moment. And he any moment. And he seems very seems very seems very paranoid in paranoid in paranoid in his conversation with his father. his conversation with his father. his conversation with his father. Mook was never Mook was never Mook was never charged charged charged in Shelley's disappearance, and in Shelley's disappearance, and in Shelley's disappearance, and his attorney his attorney his attorney denies any denies any denies any involvement. But his involvement. But his involvement. But his troubles with the law were troubles with the law were troubles with the law were far from far from far from over. What over. What over. What happened to Shelley Mook?

happened to Shelley Mook? Police believe Police believe one person knows. Her one person knows. Her one person knows. Her ex-husband, ex-husband, ex-husband, Tyler. He was named as Tyler. He was named as Tyler. He was named as a suspect, but at the a suspect, but at the a suspect, but at the custody hearing custody hearing custody hearing he made it clear that he would he made it clear that he would he made it clear that he would not talk. not talk. not talk. On the advice of counsel, On the advice of counsel, On the advice of counsel, I respectfully I respectfully I respectfully decline decline decline to answer on to answer on to answer on Fifth Fifth Fifth Amendment grounds. Amendment grounds. Amendment grounds. And now he has disappeared. And now he has disappeared. Tennessee remained Tennessee remained in the rearview mirror in the rearview mirror in the rearview mirror . Tyler moved . Tyler moved . Tyler moved to Florida to to Florida to to Florida to start a new life. start a new life. He buys a He buys a speedboat and has a new speedboat and has a new speedboat and has a new attractive girlfriend, 25-year-old attractive girlfriend, 25-year-old Robin Donit, Robin Donit, Robin Donit, who also has a who also has a who also has a young daughter. young daughter. young daughter. What attracted you to What attracted you to What attracted you to Tyler? Tyler? Tyler? He was attractive and He was attractive and He was attractive and said everything he needed to say. said everything he needed to say. Robin says she Robin says she knew nothing about knew nothing about knew nothing about Tyler Mook's past in Tyler Mook's past in Tyler Mook's past in Tennessee. In fact, for Tennessee. In fact, for Tennessee. In fact, for a while she a while she a while she didn't even know his didn't even know his didn't even know his real name. real name. I saw the name on I saw the name on the side of his boat, "Mook the side of his boat, "Mook the side of his boat, "Mook Racing," and I asked what it Racing," and I asked what it Racing," and I asked what it meant, and he meant, and he meant, and he said, "That's my said, "That's my said, "That's my last name." And I said, last name." And I said, "Well, I thought you "Well, I thought you "Well, I thought you said your said your said your last name was Cook." And he last name was Cook." And he last name was Cook." And he replied: "No, I was replied: "No, I was replied: "No, I was just kidding. It's just kidding. It's just kidding. It's Mook."

Mook." But Robin is not funny. But Robin is not funny. She searches for Tyler She searches for Tyler She searches for Tyler Mook online and her Mook online and her Mook online and her eyes eyes eyes open wide. open wide. open wide. I really didn't know what to I really didn't know what to I really didn't know what to do. I just do. I just do. I just panicked. panicked. panicked. She speaks to She speaks to She speaks to her mother, who her mother, who her mother, who has a quick answer. has a quick answer. has a quick answer. What did your mom say? What did your mom say? What did your mom say? Um, you need to get away Um, you need to get away Um, you need to get away from him from him from him as fast as as fast as as fast as you can. you can. She tells She tells Tyler Mook what she Tyler Mook what she Tyler Mook what she found out, but he found out, but he found out, but he wants to explain wants to explain wants to explain the situation and she the situation and she the situation and she agrees agrees agrees to meet him at a to meet him at a to meet him at a local bar. local bar. local bar. And what was the first thing he said to you And what was the first thing he said to you And what was the first thing he said to you ? ? ? Don't believe this. Don't believe this. Don't believe this. What exactly What exactly What exactly did he tell you? did he tell you? did he tell you? That all this is not true; That all this is not true; That all this is not true; he was very he was very he was very eloquent. eloquent. Robin recounts Tyler's tearful story to her mother. Tyler's tearful story to her mother. I just told her that I just told her that I just told her that I felt like he didn't I felt like he didn't I felt like he didn't do it. Did do it. Did do it. Did you think your you think your you think your relationship was leading to relationship was leading to relationship was leading to marriage? marriage? marriage? Yes. Yes. Yes. Until the day Until the day Until the day Robin joins Robin joins Robin joins Mook, his brother Mook, his brother Mook, his brother Andrew, and his girlfriend Andrew, and his girlfriend Andrew, and his girlfriend for a ride on for a ride on for a ride on his speedboat his speedboat his speedboat . It was then, . It was then, . It was then, Robin says, that she Robin says, that she Robin says, that she regretted regretted regretted disobeying her mother.

disobeying her mother. When I got on the boat, When I got on the boat, I noticed that they had I noticed that they had definitely been drinking definitely been drinking alcohol there all day. alcohol there all day. Robin says Mook Robin says Mook got mad at her for got mad at her for got mad at her for being late and went being late and went being late and went full throttle. full throttle. full throttle. I said, "If you I said, "If you I said, "If you run aground, you'll run aground, you'll run aground, you'll kill us all." And kill us all." And kill us all." And I just I just I just kept yelling at kept yelling at kept yelling at him to him to him to slow down, slow down, slow down, slow down. slow down. slow down. And for the first time she And for the first time she And for the first time she meets meets meets Tyler Mook, Tyler Mook, Tyler Mook, whose existence she whose existence she whose existence she never even never even never even knew existed. knew existed. He ripped my He ripped my sunglasses sunglasses sunglasses off my head, and when off my head, and when off my head, and when I tried I tried I tried to call my mom, to call my mom, to call my mom, he grabbed my he grabbed my he grabbed my phone and threw phone and threw phone and threw me overboard into the me overboard into the me overboard into the water. water. But that's not all. But that's not all. At first I thought At first I thought At first I thought he was just joking. he was just joking. And then I felt And then I felt him jump after me, him jump after me, him jump after me, grab me, turn me around, and grab me, turn me around, and grab me, turn me around, and hold me underwater, hold me underwater, head down. And now, Robin says, And now, Robin says, it's turned into a it's turned into a it's turned into a desperate fight desperate fight desperate fight for survival against an for survival against an for survival against an angry Tyler angry Tyler angry Tyler Mook.

Mook. Somehow I Somehow I surfaced, gasped for surfaced, gasped for surfaced, gasped for air, and he air, and he air, and he immediately grabbed immediately grabbed immediately grabbed me again and me again and me again and pushed me back under the water. I pushed me back under the water. I pushed me back under the water. I just kept just kept just kept fighting back and fighting back and fighting back and fighting back and fighting back and fighting back and fighting back, and that fighting back, and that fighting back, and that time I thought I was going to time I thought I was going to time I thought I was going to die. And that's when he die. And that's when he die. And that's when he attacked attacked attacked me again, and I just me again, and I just me again, and I just screamed, "Andrew, screamed, "Andrew, screamed, "Andrew, please help please help please help me!" And then he me!" And then he me!" And then he pushed me pushed me pushed me under the water again. under the water again. Robin says she will be Robin says she will be forever grateful to Andrew forever grateful to Andrew forever grateful to Andrew Mook for Mook for Mook for deciding to take action. He deciding to take action. He deciding to take action. He jumped into the water, jumped into the water, jumped into the water, grabbed Tyler, and grabbed Tyler, and grabbed Tyler, and pulled him away from pulled him away from pulled him away from her onto the boat. her onto the boat. her onto the boat. I just knew I had to I just knew I had to I just knew I had to get off his get off his get off his boat as quickly as possible. And boat as quickly as possible. And boat as quickly as possible. And then I saw a then I saw a then I saw a boat approaching boat approaching boat approaching from the other side, and I from the other side, and I from the other side, and I just begged and just begged and just begged and pleaded with it to pleaded with it to pleaded with it to pull me out of the water. He was pull me out of the water. He was pull me out of the water. He was just trying to just trying to just trying to kill me. A kill me. A kill me. A second boat second boat second boat takes Robin to takes Robin to takes Robin to shore, and shortly shore, and shortly shore, and shortly thereafter she thereafter she thereafter she reports the assault to reports the assault to reports the assault to the police. Muka the police. Muka the police. Muka is is is charged with charged with charged with assault, but Robin assault, but Robin assault, but Robin believes that is believes that is believes that is not enough.

not enough. He He was arrested the same night after the incident, and his was arrested the same night after the incident, and his was arrested the same night after the incident, and his mother immediately posted mother immediately posted mother immediately posted bail. The next bail. The next bail. The next day I received a restraining order day I received a restraining order . . In fact, I was just In fact, I was just In fact, I was just afraid that he would afraid that he would afraid that he would come for me again. come for me again. And then, about And then, about 10 days after the 10 days after the 10 days after the boat incident, out of the blue boat incident, out of the blue , Robin says , Robin says detectives from Tennessee detectives from Tennessee detectives from Tennessee showed up in Florida. Have showed up in Florida. Have showed up in Florida. Have you all met? you all met? you all met? Yes. Yes. Yes. We don't know exactly what We don't know exactly what We don't know exactly what was said at that was said at that was said at that meeting, but meeting, but meeting, but shortly thereafter, the shortly thereafter, the assault charges against Mook were assault charges against Mook were significantly changed to significantly changed to significantly changed to attempted attempted attempted first-degree murder. first-degree murder. first-degree murder. Assistant Assistant Assistant State's Attorney Kristen Chase State's Attorney Kristen Chase State's Attorney Kristen Chase says Mook's attack on says Mook's attack on says Mook's attack on Robin was clearly Robin was clearly Robin was clearly planned. planned. planned. He takes off her He takes off her He takes off her sunglasses sunglasses . He knows she will . He knows she will . He knows she will end up in the water. He end up in the water. He end up in the water. He takes her cell takes her cell takes her cell phone. Again, phone. Again, phone. Again, he knows she will he knows she will he knows she will end up in the water. And end up in the water. And end up in the water. And then, when he then, when he then, when he finds himself in the water with her finds himself in the water with her finds himself in the water with her , he doesn't , he doesn't , he doesn't let her go. He let her go. He let her go. He continues to push continues to push continues to push her back under the water. her back under the water. her back under the water. Every time he Every time he Every time he pushes her under the water, pushes her under the water, pushes her under the water, it's further proof of it's further proof of it's further proof of intent. He intends to intent. He intends to intent. He intends to deprive her of deprive her of deprive her of the ability to breathe.

the ability to breathe. the ability to breathe. But getting a But getting a conviction in court can conviction in court can be difficult. Previously, be difficult. Previously, be difficult. Previously, Mook's family had always Mook's family had always Mook's family had always been on his side. been on his side. been on his side. Now the prosecution Now the prosecution Now the prosecution needs his needs his needs his brother Andrew to tell them brother Andrew to tell them brother Andrew to tell them about what happened on about what happened on about what happened on that boat. that boat. that boat. He didn't want to testify He didn't want to testify . We did not force him to . We did not force him to . We did not force him to testify. Uh, he testify. Uh, he testify. Uh, he felt a lot of felt a lot of felt a lot of pressure from his family pressure from his family pressure from his family not to do it. not to do it. not to do it. The trial The trial The trial begins, and begins, and begins, and Robin takes the Robin takes the Robin takes the witness stand. witness stand. witness stand. What did he do? What did he do? What did he do? Uh, he grabbed me and Uh, he grabbed me and Uh, he grabbed me and flipped me upside down flipped me upside down flipped me upside down . I was able to . I was able to . I was able to take this breath of take this breath of take this breath of air. Did air. Did air. Did you swim underwater again you swim underwater again you swim underwater again ? I just ? I just ? I just begged him. They were just begged him. They were just begged him. They were just playing and all that. playing and all that. playing and all that. Then it's Then it's Then it's Andrew's turn, and it's the moment of Andrew's turn, and it's the moment of Andrew's turn, and it's the moment of truth for the truth for the truth for the prosecution. prosecution. prosecution. Do you remember if Do you remember if Do you remember if she said anything she said anything she said anything when she emerged? when she emerged? She was calling me. She was calling me. She was upset. Did She was upset. Did she scream? She was calling me. She was calling me. When she called you When she called you , what did she say? , what did she say? , what did she say? She screamed as she She screamed as she She screamed as she emerged: "He's emerged: "He's emerged: "He's trying to trying to trying to kill me."

kill me." State's Attorney Chase is State's Attorney Chase is grateful for the testimony, grateful for the testimony, grateful for the testimony, and she knows it and she knows it and she knows it wasn't easy for Andrew. wasn't easy for Andrew. wasn't easy for Andrew. He said that the person He said that the person He said that the person he is he is he is most most most responsible to responsible to is first God, and is first God, and is first God, and then his son. He then his son. He then his son. He said that despite everything, said that despite everything, said that despite everything, he loves his he loves his he loves his brother, but he has to brother, but he has to brother, but he has to tell the truth. tell the truth. Tyler does not Tyler does not testify during the trial testify during the trial , and the jury returns a , and the jury returns a , and the jury returns a guilty verdict guilty verdict guilty verdict on the lesser on the lesser on the lesser charge of charge of charge of attempted attempted attempted second-degree murder. It's second-degree murder. It's second-degree murder. It's not what not what not what Chase had hoped for, but Chase had hoped for, but Chase had hoped for, but she accepts it. she accepts it. she accepts it. Since their Since their Since their relationship relationship relationship had seemed had seemed had seemed normal before this, to them normal before this, to them normal before this, to them it looked like attempted it looked like attempted it looked like attempted second- second- second- degree murder, something that degree murder, something that degree murder, something that wasn't planned wasn't planned wasn't planned in advance. in advance. Tyler Mook Tyler Mook has been sentenced to 12 years has been sentenced to 12 years has been sentenced to 12 years in prison, and in prison, and in prison, and that's good that's good that's good news for Robin, at least for news for Robin, at least for news for Robin, at least for now. now. now. Was this a Was this a Was this a huge huge huge relief for you? Uh relief for you? Uh relief for you? Uh , yes. , yes. , yes. Is 12 years enough? Is 12 years enough? Is 12 years enough? Do I think so? No. Do I think so? No. But she's not the only one who's glad But she's not the only one who's glad Mook is Mook is Mook is no longer on the streets. A no longer on the streets. A no longer on the streets. A guest from guest from guest from another city is present at the trial, another city is present at the trial, another city is present at the trial, catching every word.

catching every word. This guest is Shelley This guest is Shelley Mook's mother, and she's here for Mook's mother, and she's here for Mook's mother, and she's here for Robin. Robin. I was glad I was glad she came to she came to she came to support me, but support me, but support me, but at the same time it was very at the same time it was very at the same time it was very sad. sad. Tyler Mook Tyler Mook was never was never was never charged in connection charged in connection charged in connection with Shelley with Shelley with Shelley Mook's disappearance, but back home in Mook's disappearance, but back home in Mook's disappearance, but back home in Tennessee, her best Tennessee, her best Tennessee, her best friend hopes friend hopes that justice will that justice will that justice will someday prevail someday prevail someday prevail for Shelley. for Shelley. for Shelley. If Tyler were watching If Tyler were watching If Tyler were watching this or had access to this or had access to this or had access to this story, what would you this story, what would you this story, what would you tell him? tell him? tell him? To be a man. Because To be a man. Because To be a man. Because I would never I would never I would never use that word use that word use that word to describe him. And he to describe him. And he to describe him. And he must speak the must speak the must speak the truth. truth. And while Tyler sits And while Tyler sits in prison, the search for what in prison, the search for what in prison, the search for what really really really happened to Shelley happened to Shelley happened to Shelley continues. Josh Devane continues. Josh Devane continues. Josh Devane of the Tennessee Bureau of Investigation of the Tennessee Bureau of Investigation of the Tennessee Bureau of Investigation tells us, tells us, tells us, quote: "Our quote: "Our quote: "Our investigation into investigation into investigation into Shelley Mook is active Shelley Mook is active Shelley Mook is active and ongoing with and ongoing with and ongoing with our our our law enforcement partners law enforcement partners law enforcement partners and the and the District Attorney General's Office. District Attorney General's Office. We continue We continue We continue to monitor to monitor any new evidence that any new evidence that any new evidence that comes to light. As with comes to light. As with comes to light. As with any case, we any case, we any case, we ask anyone who ask anyone who ask anyone who may have may have may have information that could information that could information that could assist in assist in assist in the investigation to the investigation to the investigation to contact our contact our contact our department at department at department at 1-800-TBI-FIND."