Page 13 - Kill Gavin Smith News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Gavin smith. >> reporter: that is, they had no body, no way to prove who killed gavin or that there was a murder at all. >> that is, until a dog named buddy went for a walk. >> a real life doggy detective who makes a deadly discovery on a deserted trail. coming up -- >> i go, buddy, stop, wow, that looks pretty strange. >> and a young woman suddenly finds herself in the middle of this mystery. >> i discovered he had scrapes on his hand and on his arms. >> when "dateline" continues. rinsing the dishes before they go in the dishwasher? well, cascade platinum has 50% more cleaning power, so you d...

So she knew when he disappeared in may, 2012, but made no connection between that and something she noticed about her boyfriend, john creech. >> i discovered he had scrapes on his hands and on his arms. aything to do with the disappearance. >> reporter: but when detective o'brien heard about creech's scrapes he immediately thought about gavin smith's wounds. he needed to talk to him again. he found him in jail serving eight years on a cocaine charge, his second conviction for dealing drugs. not exactly an upstanding citizen. could they prove he murdered gavin smith. >> he went to him. didn't a...

>> they gave him a couple of roles and he got the bug. he >> reporter: the acting bug. first as a body double back on the basketball court in the te movie "inside moves." then as a bartender in "cob." >> congrats, al. >> reporter: when he met lisa, he was acting, but also waiting tables. >> he twinkled, he was just charming.in i was thrilled that he asked me for my number. >> reporter: they married, had three sons together and with a growing family to support, gavin gave up acting and took a job on the business side of 20th century fox eventually as a film distribution executive. >> fox is a w...

Secret would be all over the gym. >> lauren just 18 years old back then asked us not to use her last name. not after she found herself in the middle of a homicide investigation. when police came across her doing under surveillance on john creech. lauren used to work at the pro shop of the power house gym in chatsworth, california. that's where she first met creech. >> he was beautiful. he was tall and he was muscular and a lot of women especially wanted to date him. a lot of men wanted to be him. >> reporter: lauren fell for him. he told her he was separated from his wife chandy, but that didn...

Knew it would be all right. >> why would do you that? why wouldn't you leave it where it was. >> i can play armchair quarterback all day about things, but at the time, it seemed like the right decision. >> he admitted he made wrong decisions, like asking friends to help dispose of gavin's phone, and car, and body. >> i take full accountably for everything after the fact. if i could change it, i would. >> sir, you never took accountability because you never came forward to the police, did you? >> no, not on advice of counsel, i take accountability for that. >> lisa smith was in the courtroom to...