In "Becoming Evil: Serial Killers of the Old West", a gripping feature-length documentary delves into the darker side of history, shedding light on infamous American serial killers who terrorized the lawless landscape of the 19th-century Old West. From Billy the Kid to Jesse James and John Wesley Hardin, this film examines the ruthlessness of these notorious figures, whose crimes left a trail of victims in their wake. By uncovering the origins of evil during this pivotal era, "Becoming Evil" offers a haunting exploration of the human condition, revealing the depths to which individuals can sink when driven by madness and despair.