now investigator ulrich typed "marty larson" in the datta base. >> and it popped up. en criminal trespass. >> remember, susie married ted pretty quickly after she left marty back in 1998, but that wasn't the end of it. not long after the wedding, apparently in a fit of pique, marty drove three hours down the highway from billings to glendive and turned up outside the newlyweds' house with a shotgun. what he ever did of it wasn't made clear, but he was charged with criminal trespass and slapped with a lifetime restraining order, no contact with susie or ted ever. >> at that time i had a red flag go up and said, boy, this is something we need to look at here. >> marty and his given first name was walter was very worried about susie. desperate even as those nighttime hours went by without a word from her. marty lives three hours away in billings, so was that where he was calling from? one surefire way to find out, check the cell towers. >> we looked at marty's cell phone, and we actually started seeing him pinging from billings all the way to glendive. >> it's a long lone