Query: Hong Kong serial killer films
Relevant documents:
A Chilling Cosplay
The Prodigy (film)
Double Tap (film)
The Untold Story
Murderer (film)
Dr. Lamb
Fairy Tale Killer
Cross (2012 film)
Slickers vs. Killers
Intruder (1997 film)
Satan Returns
Shiver (2003 film)
Nude Fear
Limbo (2021 film)
Death Notice (film)