"I have no remorse. As to whether recollection of my deeds makes me feel ashamed, I will tell you. Thinking back to all details it not all unpleasant. I rather enjoy it." - Peter Kürten Peter Kürten (May 26 1883 - July 2 1931) was a German serial killer and sadistic child-murderer known as "The Vampire of Düsseldorf" who raped and murdered at least nine people between 1913 and 1929. He was beheaded by Guillotine for his crimes. Kürten's case was the inspiration for Fritz Lang's famous film "M". He has gone down in history as one of the world's most notorious serial killers.