dr. peter lang man, insists he is. >> eric liked to draw weapons, swastikas, wrote about the nazis. dylan drew hearts. dylan wrote about his search for true love. eric when he does refer to girls, his fantasy is raping them. >> reporter: in their senior year, eight months before columbine, the two boys spent more time together. they liked violent movies and making little movies of their own. trying on what it's like to be tough guys. eric is smooth. >> i think we might have to get some more weaponry. >> it's a good thing we uh -- we ordered those radio [ bleep ] -- >> reporter: the camera shuts down. eric writes, everyone is always making fun of me because of how i look, how weak i am. guns, i need guns. dylans and for one too. >> and i had told him no. >> reporter: sue klebold said she used to look through his room during his junior year, but by his senior year she decided to respect his privacy with distance and regret she now says how wrong that decision was. >> would you ransack his room now? >> i would. i'd do it as if his very life was depending on it. and i would do it with l