Season 4
8 episodes · Sep 26, 2022
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- S4E1
The Cop Who Knew Too Much
Sep 26, 202248mLiz 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.
- S4E2
The Hate Police
Oct 3, 202247mIn 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.
- S4E3
Gangs of Sydney
Oct 10, 202245mAfter 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.
- S4E4
The Highway
Oct 17, 202245mBetween 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.
- S4E5
Dark Seas
Oct 24, 202246mTravellers 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.
- S4E6
Girls Gone
Oct 31, 202247mNearly 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.
- S4E7
Bad Faith
Nov 7, 202248mUncover 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.
- S4E8
Slug Gate
Nov 14, 202248mAfter 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.