and did that upset you? very much so. reporter: so weeks later, two men arrived with a trailer. and did you watch them take the mercedes out of your garage? yes, i did. reporter: that, said prosecutor grace, is when they moved the mercedes into reina s storage locker. where, months later, detective labbe noticed one crucial little detail that survived the attempted cover-up. i was looking at the license plate, and i see that it s not there. there should be a california license plate. it s not you d kinda think. it s gone. and i also see that there s one screw missing and one screw screwed back in halfway, and that screw came back positive dna to john creech. reporter: bingo. the unassailable link to pull together all that evidence phone records, chandy s testimony, the friends, the dna, and it all condemned john creech. but a surprise was coming for everyone.
in stan s garage. and did that upset you? very much so. reporter: so weeks later, two men arrived with a trailer. and did you watch them take the mercedes out of your garage? yes, i did. reporter: that, said prosecutor grace, is when they moved the mercedes into reina s storage locker. where, months later, detective labbe noticed one crucial little detail that survived the attempted cover-up. i was looking at the license plate, and i see that it s not there. there should be a california license plate. it s not you d kinda think. it s gone. and i also see that there s one screw missing and one screw screwed back in halfway, and that screw came back positive dna to john creech. reporter: bingo. the unassailable link to pull together all that evidence phone records, chandy s testimony, the friends, the dna, and it all condemned john creech. but a surprise was coming for