In August 1982, a Kodak technician was processing some photos when he saw the image of a naked young woman appear. He took a closer look, and any excitement he may have felt quickly disappeared when he realised she had been severely mutilated…

The ensuing investigation led to the conviction of Hong Kong’s first ever serial killer: Lam Kor-wan, known as the ‘Rainy Night Butcher’, or ‘Jars Killer’. Lam had been conducting sick dissections in a tiny bedroom he shared with his unwitting brother – and keeping specimens, suspended in rice wine, in a grim collection of Tupperware containers under his bed.