his victim shirley vian, 24 years old.he watched her young son walk into the house and spontaneously chose that family to victimize. >> kind of forced myself in. just walked in, opened the door and walked in and pulled a pistol. >> shirley vian was home with her three small children whom rader corralled into the bathroom. >> the kids were really banging on the door, hollering, screaming. >> it's horrifying to remember that rader himself was a young father at this time. his own son was not yet 2. but with the sounds of the vian children in the background, he said he simply worked as fast as he could. >> comforted a little bit and went ahead and tied her up and put a bag over her head and strangled her. >> in another admission that reveals rader's depravity, he told the psychologist the thrill had little to do with the kill, or for that matter with the victim herself. >> i don't think it was actually the person that i was after. i think it was the dream. i know that's not really nice to say about a person, but they were basi