did i give some bullets to malcolm-- i mean to de'marchoe carpenter. i said yes. e give you a gun? no. he didn't give me a gun. he asked me, did de'marchoe carpenter give you a gun? i said, yes. that's what i had to say and that's-- they let me out. narrator: and that's why he was free to kill that convenience store manager, a murder that never would have happened had wilson been in jail and charged with karen summers' death. you have people who would be alive, families not affected, not destroyed by this horrible crime. that doesn't happen if he's arrested for this. narrator: malcolm got the call soon after wilson's confession. it was all there, captured on video. de'marchoe carpenter and malcolm scott is innocent. they didn't do this crime. narrator: the words he had ached to hear for 20 long years. i stood on my faith. i stood on my faith. you never lost that faith. i refused to let it go. narrator: the team presented its evidence to a judge. but police and prosecutors denied they coerced any witnesses and insisted that what wilson had said on that video was a l