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 backed by the families of murder victims and "Son of Sam laws" existing in some states that prevent murderers from profiting from the publicity generated by their crimes. Such memorabilia includes the paintings, writings, and poems of these killers. Recently, marketing has capitalized even more upon interest in serial killers with the rise of various merchandise such as trading cards, action figures, and books such as "The Serial Killer Files: The Who, What, Where, How, and Why of the World's Most Terrifying Murderers" by Harold Schechter, and "The A-Z Encyclopedia of Serial Killers" by Schecter and David Everitt. Some serial