Arnold Marshall

Arnold Marshall is the main antagonist of ''Mark of the Predator III. ''He is one of the world's most dangerous serial killers who is under a secret FBI investigation and is a myth to the public, being a highly intellectual and manipulative murderer that hides in plain sight of the public as an apparent kindhearted, normal and hardworking Christian family man. He moves throughout the U.S. to kill in cycles of seven victims designed to symbolize the Seven Deadly Sins due to his tragic and hard past.