Streamer DocuBay is set to premiere “Dupatta Killer,” a true-crime documentary exploring the case of Mahanand Naik, described as “Goa’s most infamous serial killer.”

The documentary, which begins streaming March 21, delves into the disturbing story of Naik, who was accused of murdering 16 women but ultimately convicted for only one. His method involved luring victims with false promises of marriage before strangling them with their own dupattas (scarves).

Director Patrick Graham’s documentary aims to examine both the psychology behind Naik’s crimes and the systemic failures that allowed him to evade justice for years. The film incorporates survivor testimonies...