S4 Ep7: Andreas Mueller - Triple Zero Murderer

In the still hours before dawn, on a quiet suburban street in Cairns, a young woman was found slumped on a bus stop bench—unconscious, bleeding, and barely alive. Her injuries were brutal. Her attacker had vanished without a trace. No witnesses. No weapon. Just one chilling clue: a brief, anonymous phone call made from a nearby pay phone... and then silence.