George Ian Ogilvie Duncan was an Australian law lecturer at the University of Adelaide who drowned in 1972 after being thrown into the River Torrens by a group of men believed to be police officers. Public outrage generated by the murder became the trigger for homosexual law reform which led to South Australia becoming the first Australian state to decriminalise homosexuality.

Bevan Spencer von Einem is a convicted child murderer and suspected serial killer from Adelaide, South Australia. An accountant by profession, he was convicted in 1984 for the murder of 15-year-old Adelaide teenager Richard Kelvin, the son of local television and radio personality Rob Kelvin. Von Einem is serving life imprisonment. He was in G Block of Yatala Prison for decades but was transferred to Port Augusta Prison in the north of the state in 2007.