Under Investigation Season 5, Episode 4: Ghost Ship

The Man In The Hole

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.

46 min

Where's Willi?

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.

46 min

The Disgraceful Doctor Manock

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.

46 min

An Excellent Murder

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.

47 min

Ambush

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.

50 min

The Hit

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?

45 min

The Confession

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.

46 min

The Last Lunch

52 min

Secrets of Balibo

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.

53 min