when they moved it into reyna's storage locker where months later the detective noticed one detail that survived the attempted cover-up. >> i was looking at the license plate, i see it's not there. should be a california license plate. >> you kind of think. >> it's gone. you 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. >> 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. >> raise your right hand. coming up. >> i was scared for my life. >> a dramatic tale from the stand. >> he punched me, pulled me in by my sweater. put his hand up on my throat, choking me on my throat. >> who attacked who?