On 28th April 1996, 28-year-old Martin Bryant shot and killed 35 people in the popular Tasmanian tourist site of Port Arthur and its surrounding areas.

On 19th April 1999, several times convicted criminal Peter Dupas posed as a new client of psychotherapist Nicky Patterson. Having made arrangements for his first appointment, 28-year-old Nicky welcomed Dupas into her home under the pretence that she would be giving him counselling for gambling. Dupas then attacked Nicky with a knife before mutilating her body.

On 8th November 2010, Jason Downie broke into the house of his friend's girlfriend, where Chantelle Rowe and her parents were asleep. And killed them brutally.

Katherine Mary Knight lived in the small town of Aberdeen, NSW. In the early hours of March 1st 2000, Knight attacked her de facto husband John Price by stabbing him repeatedly.

On 20th July 1969, Derek Percy approached 12-year-old Yvonne Tuohy and her friend Shane Spiller whilst they were playing at their local beach in Warneet, Victoria. He snatched Yvonne into his car before trying to get Shane too, but Shane managed to defend himself.