In December 1994 Andrew Astbury's body was found floating in Melbourne's Yarra River; he was a hard-working, reliable 25-year-old man from a good family.

In 1998, the brutal deaths of shopkeeper David O'Hearn and Lord Mayor Frank Arkell led to the city of Wollongong, New South Wales being gripped in fear.

A young man has confessed to the murders of shopkeeper David O'Hearn and Lord Mayor Frank Arkell, but the subsequent police investigation takes a bizarre turn when the man's father is murdered in similar circumstances.

When the president of the Queensland Cat Protection Society is found stabbed to death, detectives must rely on forensic evidence.

A young woman's body is found wrapped in plastic, dumped under a railway overpass in a suburb near Sydney's busy international airport; the only clue to her identity and that of the killer is a fingerprint found on a newspaper stuffed in her throat.

5 elderly women slain by serial killer.