. >> to prosecutors andrew paul and jennifer clark, the real criminal in this case was marcus karma,plain and simple, a murderer. >> the fact is that the defendant was angry and ven vengeful. he knew that it was a kid coming in his garage. he has his 12 gage in his hand and he waits. >> to counter the defense's suggestion that dieren was part of some ring of thieves targ targeting marcus karma, investigators track down the teens who had hit karma's garage, the ones who took the cash, credit cards, and -- >> he had a bong and a jar of weed and some alcohol. >> did you know a man named dieren dede. not personally, no. >> to the best of your knowledge, was he involved in a burglary ring? >> no. >> did karma really fear for his life that night? prosecutors said ballistic told the story. the first shot to hit dieren was to the back of his left arm meaning he couldn't have been charging towards marcus karma. >> then he's got to do it one more time, he's got to make that final blow. >> the final shot was straight to the head. but prosecutors weren't done, they had what they thought was expl