From UFOs to psychic powers and government conspiracies, history is riddled with unexplained events. You can turn back now or learn the Stuff They Don't Want You To Know, an audio podcast from HowStuffWorks.com.

The Eternal Shadow: Serial Killers Throughout Ancient History

May 24, 201947 min
While serial killers may seem like a relatively new phenomenon, the human species hasn't changed as much as we all might like to think. Join the guys as they dive into the mysterious, grisly stories of proven and suspected serial killers from ancient civilizations across the planet. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers