About this season
Under Investigation will seek to solve crimes, uncover new evidence, hear from people who have never spoken publicly, while harnessing great knowledge and skill with exciting and innovative storytelling techniques.
Episodes (10)
1. The Man In The Hole
Aired 8 February 2023 • 46 min
Loving couple Ray and Jennie Kehlet join colleague Graham “Grumpy” Milne on a gold-prospecting trip to the red heart of Western Australia. Three people go out but only one comes back. Then a body is found in a remote mineshaft. With a senior member of the police investigative team joining our panel of UI experts, the case is laid open as never before.
2. Where's Willi?
Aired 15 February 2023 • 46 min
Australia's first celebrity chef, star of radio and television Willi Koeppen, runs one of the country's most successful restaurants before he vanishes without a trace in 1976.
3. The Disgraceful Doctor Manock
Aired 22 February 2023 • 46 min
One of the world's most unforgivable legal scandals. How South Australia's Chief Forensic Officer operated for decades with barely a qualification, providing false evidence.
4. Ghost Ship
Aired 1 March 2023 • 47 min
Australia's most baffling maritime mystery, the 1988 disappearance of the Patanela just 10 miles off the coast of Sydney. No distress call. No debris. All four on board lost without a trace. What really happened to the Patanela?
5. An Excellent Murder
Aired 8 March 2023 • 47 min
He was brave enough to stand up to the mafia in a country town. But Don Mackay paid the ultimate price. His enemies weren't just mafia living by the creed: You speak, you die. He was also facing a political insider.
6. Ambush
Aired 15 March 2023 • 50 min
Four young police officers sent to a rural property are ambushed by violent extremists. They faced the siege at Wieambilla - the point when conspiracy became violence.
7. The Hit
Aired 22 March 2023 • 45 min
One of Australia's most senior officers was killed in his own driveway they suspected a professional hit. Investigators jailed and then freed another. Who killed Colin Winchester?
8. The Confession
Aired 29 March 2023 • 46 min
Richard Dorrough, ex-navy sailor, took his own life in 2014. He left behind a shocking note claiming to have murdered three people, but no details to identify the victims.
9. The Last Lunch
Aired 25 August 2023 • 52 min
10. Secrets of Balibo
Aired 17 October 2023 • 53 min
Liz Hayes and her team of investigators assemble formerly top-secret diplomatic documents to expose what really happened to the Balibo Five, a team of Australian journalists executed in East Timor. Their deaths mark the beginning of a shameful government cover-up that continues tonight.