Investigation
A large police investigation failed to identify the killer. There had been a number of people seen in the area who were never identified; Sydney in 1965 was a conservative place and the area around Wanda Beach attracted a range of people, who did not necessarily want to identify themselves to police. This frustrated the police investigation. In February 2012, however, the NSW Police's Cold Case Unit announced that a weak male DNA sample had been extracted from a pair of jeans worn by one of the girls. While admitting that current technology was unable to provide more information, police were confident that future advances would give more assistance.
Read more about this topic: Wanda Beach Murders