the only way somebody doesn t look for you is if you already know definitively yeah. they re no longer living. and you must have a reason for knowing that. that s what i would assume. reporter: and it turned out lisa did know something, just not what tara suspected. there were secrets, which lisa and gavin kept hidden. i was the love of gavin s life. he adored me. our family was exactly what he wanted to have. he just got lost. reporter: lost. it all started in the early 80s, even before she met gavin, when he was a stuntman on the tv series remington steele. he played a shooting victim falling from a second story window. the stunt went wrong, and he broke his back. he would get pain pills for his back. so usually percocet, something like that for pain. when that didn t work anymore, he was prescribed oxycontin, and he was addicted to it.
wow. huge moment. reporter: a black mercedes sedan. had to be gavin smith s. i kissed my partner on the cheek. that s a true story. it was a big piece of evidence. and we were able to get closer and able to see that our entire crime scene, in our opinion, was inside that car. reporter: crime scene? yes. suddenly all other theories seemed to fall away. the passenger s seat was completely covered in blood. and at one point it was very eerie when you looked at the blood and you could see a handmark of gavin smith as he died in that seat. reporter: soon the news reached gavin s family. tara was devastated. there s no going back from that. there is no going back. you accepted it? you know, you re forced. you know, trauma happens to people all the time. you don t think it s going to happen to you, but it does. you know when you already expect the worst, you think that you can t be shocked, but you
cheek. that s a true story. that s a big piece of evidence. and when we were able to get closer and saw that our entire crime scene was inside that are ka. crime scene, yes. suddenly all other theories seemed to fall away. the passenger seat was completely covered in blood. and the one point very erie when you looked at the blood and you could see the hand mark of gavin smith as he died in that seat. soon the news reached gaffe un s family. tara was devastated. there s no going back from that. there s no going back. you accepted it? you know, you re forced. you know, trauma happens to people all the time. you don t think it s going to happen to you. but it does. you know when you already expect the worst, you think that you can t be shocked. but you can be. is all i can say about that. but if gavin was dead and
through his six figure salary. and there were other signs of strain in the family. in april 2012, a month before gavin disappeared his son evan wrote this message on twitter. thoughts and prayers out to my amazing mom and brothers, please. my dad decided to leave the family last night. real family sticks together. sister tara spoke with gavin at the time. he was struggling with losing what he had come to know and love for so many years and that was his family unit. and he didn t want to hurt those boys. and that s what he kept saying. i don t want to be without them. but as much as he loved his boys, detectives learned, gavin had been unfaithful to his wife. had been seeing a woman named
picking up his kid ever. because gavin was so good at these things that his sister tara, he was so impressive. so tall. you both got the tall gene, right? we did. the whole family. the whole family. gavin was the tallest, 6 6. he waublgd in a room, you noticed him. you wanted to gravitate to him. he was a magnet. he played basketball for john wooden, ucla, 1975. he was a forward. it was wooden s final championship team. just to be on that team was pretty fantastic. it was a once in a lifetime. and then he drifted a bit. worked as a golf caddie and this being los angeles and he a good looking towering athlete, people noticed him. movie people. they gave him a couple of roles. and he got the bug. the acting bug. first as a body double back on the basketball court in the