guilty. at the same time, the detective continued his investigation into pam's murder. starting not just with the video tape of jim at the time of the murder but also with some security video of the parking garage exit. >> what we did was we narrowed it down to the time around when she was killed and the vehicles that were leaving the parking structure. >> in the minutes after the attack, this red suzuki pulls up to the garage exit. a wrong exit. a man holding a black hooded sweatshirt gets out of the backseat to check the exit gate before jumping back in. >> we ran the vehicle license check and found one of the vehicles leaving the garage was associated with them. >> detectives trace the red suv to a rental car center.