that was truly heartbreaking to me. reporter: it was all a big mistake. but it wasn t the last of the sightings. people seemed to see gavin smith everywhere. because he kind of stands out in the photo, you know, big, white smile, tan face, tall guy, pretty much every tall, tan, blonde-haired man was getting spotted as being gavin smith. reporter: weeks, months passed. no sign of gavin. and with no answers, lisa was forced to reveal something publicly, something painful and maybe crucial. coming up what had happened to gavin smith? it didn t make sense to me. and so i just kept no, it can t be. it can t be. we said, i think this is a suicide. and then we go i think this is a murder. our gut instincts are going
[ bleep ] did i get in this situation. you know, i was scared for my life.s reporter: and then gavin got out of the mercedes, said creech.r: and there was something in his hand. it was like a ten to 12-inch stainless steel thing that at the time i thought was a knife. we fell in the ground, and we went at it for about ten or fifteen seconds exchanging punches.12 at some point did you get that weapon?e se i kept punching him until heo let go of it.il okay. and what d you do with the weapon? i threw it over the back wall of my property. reporter: such a weapon was never recovered, by the way.y. but creech insisted there was one, a multi-purpose tool of some kind, and it was gavin who provoked the fight.chl i was defending my life. i didn t go there looking for a fight.fo i was just defending mine. i think he lied about everything that he said. reporter: on t cross-examination, the am prosecutor went straight for that so-called multipurpose tool.e so tell us why in
reporter: but, they wondered, did she help cover it up? it s a serious business, covering for a crime that awful. but chandy had a card to play. she agreed to testify. members and alternate members of the jury reporter: and in june 2017, john creech went on trial. on the face of it, it looked like a solid case. the phone evidence, the coverup, the truly appalling crime scene in gavin s car. but did it add up to first degree murder? gavin smith had been dead five years. he was killed in his mercedes-benz in an act of almost stunning brutality by the defendant john creech who s sitting here in the courtroom. this became gavin smith s tomb. reporter: but what happened wasn t merely an outburst of rage, said prosecutor bobby grace. no, he said, creech had been plotting for two years ever since he found out about chandy
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people tend to toss things like ol tvs, maybe some furniture. rocky liked to poke around up here. always with his dog buddy by his side. in october, 2014, they were just five minutes into their hike when something curious happened. we were walking up this little area right here and he runs to a bush and i go, buddy, stop. and he s just looking at the bush. he won t leave it or anything. so we go up there and we re looking and it s like, wow that looks pretty strange. reporter: buddy made a discovery a human skull. i was totally amazed. i was without words, you know, i didn t know what to think. reporter: when police arrived, they found a shallow grave nearby. that s when we found him. reporter: him. the coroner soon confirmed it,