Liz Hayes
Self
Under Investigation (2021)
Season 4
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.
Released March 1, 2021
Episode 48 min
None+
S4E1 - The Cop Who Knew Too Much
Liz Hayes and Under Investigation's formidable experts investigate the strange death of a top SA cop in 1981. Written off as suicide for decades, compelling new revelations point to a sinister plot to kill the decorated detective.
Sept. 26, 2022, midnight
S4E2 - The Hate Police
In the 1980's and 90's, Sydney's gay community fell victim to ruthless bashings by savage gangs. Now, Under Investigation can reveal the role played by the NSW Police Force.
Oct. 3, 2022, midnight
S4E3 - Gangs of Sydney
After over a dozen killings in 18 months, Sydney's gangland wars are getting bloodier. Under Investigation pulls back the curtain on the city's dark underbelly.
Oct. 10, 2022, midnight
S4E4 - The Highway
Between 1970 and 2018, 11 people have vanished or been murdered along the Flinders Highway, including missing backpacker Tony Jones. Under Investigation pieces together his final hours.
Oct. 17, 2022, midnight
S4E5 - Dark Seas
Travellers onboard cruise ships have seen violent crime, pollution, and now a COVID crisis. Liz Hayes and a panel of experts examine whether it has learnt from past lessons.
Oct. 24, 2022, midnight
S4E6 - Girls Gone
Nearly 50 years ago, 11-year-old Joanne Ratcliffe and 4-year-old Kirste Gordon were snatched from the Adelaide Oval. Groundbreaking new technology helps identify their kidnapper and reveal a shocking twist.
Oct. 31, 2022, midnight
S4E7 - Bad Faith
Uncover the terrifying abuse faced by young, vulnerable women at the hands of the Esther Foundation, a Perth cult once backed by some of the most powerful leaders in the country.
Nov. 7, 2022, midnight
S4E8 - Slug Gate
After government inspectors found a slug in a Melbourne catering company's factory, a public health warning erupted into a bitter brawl between a David and a Goliath.
Nov. 14, 2022, midnight
Nine Network
48 min/ep
2304 min
March 1, 2021
June 25, 2024, midnight
Returning Series
NR
Action
Action
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