his name was michael bohrer.d had heidi make him a sandwich most days she was working. what made bohrer stand out among the three was his admitted obsession with the heidi allen case. had told investigators as much months earlier. >> i knew one day i'm going to pop in the picture somewhere. >> you seemed so preoccupied with the case. >> i was obsessed with it because it just freaked me out. >> reporter: turns he had a shoebox full of old news clippings he'd kept for two decades. in court, bohrer's testimony was was videoed, but he admitted years back he'd been a drug dealer, and he became very >> he started crying when it came to questions concerning his obsession with the case. and he kept driving by the sign that says, where's heidi. and he thought about her six times a day. >> reporter: strange. and remember that profile drawn up by the fbi agent, clint van zandt, today a contributor to msnbc? back then he'd predicted heidi was killed by someone who would later appear obsessed with the case. >> it's going to b