>> i didn't shoot nobody, man. i've never shot a gun in my life. >> so detectives set a trap, though they had no evidence that another person was involved in reagan's murder, they suggested to golsby. >> i know you didn't pull the trigger, i know somebody else was in the car, who was it? >> this person is not real. >> this person is not real. >> a fictitious character that you're -- does he take the bait. >> he does. he takes the bait. >> i'm in the passenger seat. he's in the backseat, behind her. now, we get down to the park. he says take off all your clothes, get out. he says walk until i tell you to stop. she walks. she's naked. he gets behind her. and then he goes pow. she falls. she's laying on the ground. i'm looking out of the car, and he bends down and