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A 54-year-old man has been charged with allegedly sexually assaulting two teenagers in Perth more than 30 years ago.
Police allege a 19-year-old woman was allegedly attacked with a knife after she left a bar on Barrack Street in Perth on June 13, 1990.
Officers said she was allegedly grabbed by the man who held a knife to her throat before sexually assaulting her.
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One year later, on February 17, police said a 17-year-old girl had offered the man a lift home in Kalgoorlie.
Police allege the man pulled a knife and forced her into the boot of the vehicle, before he drove her to a secluded area in Boulder before sexually assaulting her.
"The matter was referred to the Investigative Genetic Genealogy Team (IGG) in December 2023," WA Police said.
"Using ground-breaking Investigative Genetic Genealogy (IGG) techniques and through the expertise of the PathWest Forensic Biology Department, the investigation was able to progress and a suspect was identified."
Cold Case detectives today charged the 54-year-old with seven offences including two counts of aggravated sexual assault, deprivation of liberty and threats to kill.
He is due to appear before the Perth Magistrates Court today.
