Serial killer example of a power/control-oriented serial killer. He traveled around the United States seeking women to control. Many serial killers claim that a violent culture influenced them to commit murders. During his final interview, Ted Bundy stated that hardcore pornography was responsible for his actions. Others idolise figures for their deeds or perceived vigilante justice, such as Peter Kürten, who idolized Jack the Ripper, or John Wayne Gacy and Ed Kemper, who both idolized the actor John Wayne. Many movies, books, and documentaries have been written about serial killers, detailing the lives and crimes that have been committed. The movie, "Bundy",
Serial killer the paper. When defining serial killers, researchers generally use "three or more murders" as the baseline, considering it sufficient to provide a pattern without being overly restrictive. Independent of the number of murders, they need to have been committed at different times, and are usually committed in different places. The lack of a cooling-off period (a significant break between the murders) marks the difference between a spree killer and a serial killer. The category has, however, been found to be of no real value to law enforcement, because of definitional problems relating to the concept of a "cooling-off period". Cases