michelle's stepfather, paul doyle, often drove a red truck. >> one of paul's friends had a red truck. they came to talk to paul about his friend and about him and where they were that night. >> the owner of the truck told police paul often used his truck and that he had his own set of keys. and paul had a possible motive. michelle's mother had once taken out a restraining order against him. michelle hated him and she wasn't shy about letting him know it. >> we knew there were some type of dynamics, some negativity involved in the relationship between michelle and paul. >> during his interrogation, paul told investigators something they found strange. he said he was shopping at a supermarket near the bull pen bar the night michelle went missing and that he'd seen her. >> he said that he was with michelle's mom at about midnight, 12:30. and they actually saw michelle walking through the parking lot and because of the strained relationship, they didn't make contact with her or try to talk to her. >> this took place less than an hour before her leather jacket and tooth were found on the s