He seemed a mild-mannered teacher, a family man... and he was one of the most prolific serial killers in history. Dubbed The Red Ripper, Andrei Chikatilo terrorized the Soviet Union for over a decade, preying on society’s most vulnerable while hiding in plain sight. In a system riddled with secrecy and denial, his crimes went unchecked—leaving a trail of horror that spanned over 50 victims.