The Crimson Stain Mystery

The Crimson Stain Mystery (1916) is a mystery, horror directed by T. Hayes Hunter rated 0.0/10.

In attempting to develop a chemical which would make a person super-intelligent, Dr. Montrose fails and the subjects of his experiments metamorphose into hideous monsters who band together and prey on humans. With the police stymied, a young detective attempts to track down the leader of the group of killers, known only to have a small crimson stain in one eye.