From Jeffrey Dahmer and Ted Bundy to the Zodiac Killer, explore the shocking police mistakes, missed warnings, and investigative failures that allowed some of history’s deadliest serial killers to continue unchecked. Simon's Social Media: Twitter: https://twitter.com/SimonWhistler Instagram: https://www.instagram.com/simonwhistler/ Love content? Check out Simon's other YouTube Channels: Megaprojects:https://www.youtube.com/@megaprojects9649 Warfronts: https://www.youtube.com/@warographics643 SideProjects: https://www.youtube.com/@Sideprojects Into The Shadows: https://www.youtube.com/@IntotheShadows Today I Found Out: https://www.youtube.com/@TodayIFoundOut Brain Blaze: https://www.youtube.com/@brainblaze6526 Decoding the Unknown: https://www.youtube.com/@decodingtheunknown2373 Places: https://www.youtube.com/@Places302 Celestium: https://www.youtube.com/@astrographics-ve4yq HomeFronts: https://www.youtube.com/@homefronts