Did the mafia get away with assassinating a top police officer? | Under Investigation with Liz Hayes

Subscribe here: 9Soci.al/chmP50... Full Episodes: 9now.app.link/... | The Hit (2023)
When one of Australia's most senior police officers was killed in his own driveway they suspected a professional hit. Investigators jailed and then freed another man. So who killed Colin Winchester? Was it the mafia?
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