Derek Percy Australian Psycho - By Alan J Whiticker

In 1969, Derek Ernest Percy was captured after the abduction and murder of a 12-year-old school girl near a lonely beach on Melbourne’s Mornington Peninsula. Found not guilty of murder on the grounds of insanity, Percy was detained at the ‘governor’s pleasure’ and was Victoria’s longest serving prisoner deemed too dangerous to be released.
 
Percy has been linked to several unsolved crimes involving children. Could he have been involved in the Wanda Beach Murders or the disappearance of the Beaumont Children? 
 
This is the story of Australia's ultimate 'cold case' police investigation.