a witness placed charlie smithart near mandy's home on the day of the abduction. some young girls in town had even more damaging information to report. >> in the weeks before mandy's disappearance, charlie smithart, a 60-year-old man, had been seen offering rides to other young girls who bore a striking resemblance to mandy lemaire, such that one of the young girls, when her mother saw the sketch in the newspaper that mandy was missing, that she thought she was looking at sketch of her own daughter. >> armed with a search warrant, investigators confiscated smithart's pickup truck for analysis. with a gel adhesive, criminalists lifted microscopic particles from the truck's interior. during the investigation, they noticed something else about smithart. >> i couldn't take my eyes off his shirt, because he had little sparkly things on his shirt. and i finally asked him, "what are those sparkly things on your shirt, charlie?" and he says, "i don't know, brass, aluminum. i'm grinding stuff all the time." >> that clue led investigators to the workshop behind smithart's m