The two girls went missing together while using the bathroom at the Adalaide Oval at a soccer/football game in Adalaide,AU on August 25,1973. There was suspect in this case named Arthur Stanley Brown who was also suspected in other cases as well as being charged with a double murder in 1998. He was never charged with the other cases that he is suspected in. Brown died in 2002 aged 90 years. www.australianmissingpersonsregister.com/KirsteGordon.htm