In 1959, the carefree culture of Perth changed forever when a plague of crime hit the city. By early 1963, the crime wave had escalated to serial murder.

The quick mind of a country telephone exchange supervisor led to a horrific discovery at a NSW country homestead in 1978.

On the night of 4 May 1982, 13-year-old Terry Ryan rushed into his family home in Marsden, a suburb of Brisbane, and told his mother an astonishing story.

Michael Kanaan was an angry young man in a hurry to make a name for himself in Sydney’s underworld. But his volatile temper and penchant for violence soon led him to kill three men before he was finally captured in a wild shootout with Sydney police.

We examine two notorious abduction cases. The first case is the Graeme Thorne ransom kidnapping at Bondi in 1960. Thorne, aged eight, was the son of winners of the Sydney Opera House Lottery.

For the 2008 launch of Crime Investigation Australia, CI presents the complete and compelling story of.

This episode revisits Adelaide's notorious Adelaide Family Murders case, where six young Adelaide men were murdered during the 1970s and '80s. The victims were found in random locations throughout the state, their bodies neatly cut into pieces.

On the 6th October 1997, 14-year-old Lauren Barry and 16-year-old Nicole Collins disappeared while walking along a road near their home town of Bega, on the New South Wales south coast.

This chilling CIA episode details the long and difficult investigation which began with the disappearance of 18-year-old secretary Sarah Spiers from a night club in the up-market Perth suburb of Claremont on Australia Day 1996.

Sometime on the evening of 19 October 1990, the flamboyantly gay Sydney socialite Ludwig Gertsch was strangled with an elastic strap in the bedroom of his lover, Mr. Vincent Esposito.

A young Sydney man was found guilty of strangling his ex-girlfriend and stuffing the teenager's body in a cricket bag.

Sallie-Anne Huckstepp and Juanita Nielsen were iconic figures in the shadowy King’s Cross scene of the 1970s and 1980s. They lived dangerous lives – challenging the status quo of the period and met with mysterious and violent deaths.

CI examines the Dr. Victor Chang extortion murder as well as the horrific Jane Doe Case where a girl is found lying on the side of the road of an inner Sydney suburb wrapped in two plastic garbage bags.

On 27 November 1987, 12-year-old Noosa school girl Sian Kingi was grabbed off her push bike by Valmae Fay Beck and Barrie John Watts as she rode home from school.

Rodney Francis Cameron was dubbed ‘The Lonely Hearts Killer’ after he used a radio match-making program in 1990 to lure an unsuspecting woman to her death. Incredibly, he had only just been released from prison for two other killings in 1974.

On July 10, 2001, Sef Gonzales murdered his sister Clodine, 18, mother Mary Loiva Josephine, 43, and his father Teddy, 46, in their North Ryde home.