The Cat O’nine Tails (1971) [Blu-ray]

When a simple robbery at a research institute leads to a series of brutal murders, a blind puzzle maker (Karl Malden) and a tenacious reporter (James Franciscus) begin their own investigation of the crimes. With nine different clues to follow, they uncover a shocking web of twisted genetics and dark sexual secrets that will finally lead them to a shattering climax of violence and suspense.