Psycho Killer (1993)
Original title: 雨夜天魔
Psycho Killer is a 1993 Chinese-language thriller movie directed by Stanley Siu Wing, with a running time of 1h 22m. It stars Chingmy Yau Suk-Ching, Francis Ng Chun-Yu and Isabel Leung Pooi-Woo.
Female detective is on the trail of a serial killer raping and murdering busty women, whose victims include the policewoman's sidekick. Along the way, she seeks help from another cunning serial killer called Lam, already in jail. In exchange for Lam's psychological insight into the case, she may have to pay the ultimate price.