Page 5 - Prosecutor Grace News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> 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 doggie detective who makes a deadly discovery on a deserted trail coming up -- >> i go, buddy stop! it's like wow, that looks pretty stran strange. >> reporter: and a young woman suddenly finds herself in the middle of this mystery >> i discovered he had scrapes on his hands and arms. when "dateline" continues. than not be here because of migraine. i have three words for migraine... "i am here." aimovig, a preventive tr...

>> reporter: so they both got immunity same thing with chandrika, who helped burn bloody clothing and never called the police. >> it seems to me that everybody got deals and everybody got off. and that gavin was a victim long after he was murdered, and so were we. >> reporter: john creech is sentenced to the maximum 11 years foremans. >> the dea in detroit, michigan, indicted mr. creech on federal drug trafficking charges if convicted, his exposure is anywhere from 5 to 40 years in prison >> reporter: creech pleaded not guilty to the new charges. and lisa smith has done her best to restart lif...

You don't normally have key witnesses who don't come forward until years later. >> reporter: in january 2015, nearly three years after gavin smith disappeared, creech was charged with first degree murder he pleaded not guilty. >> and chandy? >> we didn't know if she set it up or if she had something to do with it. >> reporter: coming up an undercover sting and chandy's the target >> i was like stop it! i was like screaming my head off. >> reporter: and then, a stunning moment in the courtroom. >> i wanted to get away. i was scared i was afraid of what i would see. >> when "dateline" continues ...

Though they still lived in the same house, and he still worried about her, thought she might be drinking and driving so he installed an app on his phone, he said, that allowed him to track her phone and followed her only because he was worried, he said. and then he saw her car parked near gavin's and thought it best to talk to them, but he didn't sneak up on them, he said. >> so i knock on the hood of the car. >> was chandy sitting on the lap of this guy? >> she was sitting on his lap. they just kept talking, so i walked over to the passenger side door, and i knocked on the window >> what did ...

>> why didn't you take him all the way back to the scene? >> because i was afraid of what i would see. >> reporter: gavin was dead by then and the prosecutor told the jury creech wasn't going to any hospital he was setting out to recruit help for his cover-up. >> so the first person he calls is jorge valles. >> reporter: jorge valles was the first of a series of friends who told an incredible tale. >> did you ask any of these people a central question, what were you thinking? >> they all ultimately said that they were trying to help johnny. >> because he's such a nice man. >> because he was a ...