Retracing the steps of a mum who disappeared after a run | Under Investigation with Liz Hayes

The disappearance of Ballarat mum Samantha Murphy has horrified Australia. In a special report, Under Investigation visits the frontline of this baffling mystery. A mineshaft explorer, missing persons specialist, and former detective return with Liz Hayes to the bush trails Samantha Murphy vanished from on her routine morning jog. Sissy Austin, who was brutally attacked in nearby parkland just a year prior to Murphy's disappearance, speaks exclusively to Under Investigation. Plus, an inside look at the hi-tech phone data that will be critical to locating Samantha.

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