. >> the owner of the truck, shaun phillips, told police that paul often used his truck and that he had 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, you know, 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 side of the road. >> paul could have dropped mom off and come back to do something to her. any number of things could have happened. >> paul denied any involvement