Something mysterious and violent is killing cattle of the North American plains, but what is behind these gruesome attacks: satanic cults, an unknown predator, or something previously unknown to man? See more in Season 3, Episode 2, "Cattle Killers." #MonsterQuest Subscribe for more from MonsterQuest and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Check out exclusive The HISTORY Channel content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Twitter - https://histv.co/Twitter Bigfoot, Loch Ness Monster, killer beasts on land and sea – are these myths, legends, folklore or real monsters lurking in the world around us? Using science and technology the MonsterQuest investigation team searches for the truth behind these terrifying creatures. The HISTORY® Channel, a division of A+E Networks, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. The HISTORY® channel has been named the #1 U.S. TV network in buzz for seven consecutive years by YouGov BrandIndex, and a top favorite TV network by Beta Research Corporation. For a deeper dive, visit history.com or follow @history on Instagram, Twitter, Facebook, YouTube and TikTok. For additional press materials visit the A+E Networks Press Center at http://press.aenetworks.com.