Crime Investigation Australia: Most Infamous

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 kilometres north of Adelaide. The investigation then lead police to discover 4 more bodies.

Janine Balding was abducted from a railway station and suffered a horrific rape and murder.

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.