When Did Peter Hurkos Die?

Pieter van der Hurk known as Peter Hurkos, was a Dutchman who claimed he manifested extrasensory perception (ESP) after recovering from a head injury and coma caused by a fall from a ladder when aged 30. He went to the United States in 1956 for psychic experiments, later becoming a professional psychic who sought clues in the Manson Family murders and the Boston Strangler case.