In other words, he was just your average guy which probably helped him get away with it for so long. He would have kept getting away with it if he hadn't started sending letters to the police and the media about his killings--one on a disquette which the police were able to get Metadata from. (It had a Word doc on it with stationary from his church and the police could see that it had been last edited by a Dennis. That set them on the path. )