In the 1980s and 90s, on a cliff-top walk near Bondi Beach, gangs of thugs staged bloody attacks on anyone they perceived to be gay and then hurled them to their deaths into the ocean below.

A look at the brutal murder of Wollongong teen Kim Barry, and her murderer Graham Potter, who went to prison for the killing but was released after 15 years, going back to a life of organized crime.

A look at the crime kingpin, Michael Kanaan, who had a volatile temper fed by deep insecurity. In a wild crime spree in the 1990s, Kanaan murdered three people and conducted a war with police.

The horrific rape and murder of Virginia Morse and the random killing of a farm hand in 1973, led to a dramatic police chase and shootout in the NSW Hunter Valley.

The compelling story surrounding the hunt for the mysterious 'Granny Killer' and how a few minor and seemingly unrelated incidents were eventually drawn together by detectives to identify him.

A look at the disappearance of Queensland teen Daniel Morcombe, as well as the rape and murder of Sian Kingi, a 12-year-old school girl.

The torture, rape, and murder of young backpacker tourists in the Belango forest, southwest of Sydney, has entered Australian criminal folklore.

The torture, mutilation and murder of six young men in South Australia led to speculation about a group of depraved killers dubbed 'The Family'. Only one man has ever been convicted in the case.

Failing in his studies and dreaming of living a celebrity life, Sef Gonzales devised a plan to get his hands on his family's money, by murdering his mother, father, and sister, to claim an inheritance.

Seven young women were raped and murdered in South Australia in the 1970s. The police hunt for the killers came to a bizarre end when one of them died in a car accident.

Donald Bruce Mackay was an Australian businessman. He was also a prominent substance abuse campaigner who came to media attention and fame in 1977. Then he was murdered.

In February 1986, nurse Anita Cobby is savagely raped and murdered by five young men, beginning one of Australia's most notorious criminal cases.

Dr. Victor Chang was a famous surgeon on the brink of implanting the world's first artificial heart. In a failed extortion attempt he was fatally shot dead in the street.

In 1993, Karen MacKenzie and her three small children were violently murdered at their isolated house. It will forever be associated as one of the most horrific murders in Australian criminal history.

In 1997, Bega High School students and best friends Lauren Barry and Nichole Collins had their young lives tragically cut short after being held captive for 12 horrendous hours.

Eight bodies are found in six barrels filled with acid in a former bank vault in rural Snowtown, 50 kilometers north of Adelaide. The investigation then lead police to discover 4 more bodies.

A look at the Mornington Monster, a man who killed his wife, infant daughter and unborn child. Also, the suspicious death of a wealthy nightclub entrepreneur.

In the 70s and 80s, Sallie-Anne Huckstepp and Juanita Nielsen drove King's Cross' scene. But challenging the status quo only led to their mysterious and violent deaths.

An investigation into the story of David and Catherine Birnie, Australia's most sadistic husband and wife killing team who tortured, raped and murdered four women in 1986.

When a little girl tells the telephone operator that her sleeping mummy is turning black, he knows something is very wrong at the sheep shearer's house.

A German tourist randomly shoots dead five people in a series of mysterious attacks across the Top End of the Northern Territory and the vast Kimberley region of Western Australia.

A young Sydney woman dies a violent death on a remote Norfolk Island in the South Pacific. Everyone expects police to quickly solve the case. But it takes four years and involves new DNA technology.

Abducted by two Satan-worshippers, two Queensland schoolboys are bound, tortured slowly with knives, sexually assaulted, and savagely beaten.

On a Melbourne ‘lonely hearts’ talkback radio show, a trap is laid by a psychopathic murderer recently released from jail and hunting for his next victim.

A 9 year-old girl in Queensland is raped and murdered in a crime that horrifies the people of the tropical city of Rockhampton.