Mary Steinhauser, a brave psychiatric nurse, was killed in a 1975 Canadian prison hostage crisis. Was it a tragic mistake—or deliberate cover-up? Her death exposed systemic abuse, conspiracy, and sparked prison reform 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 PoliticalFronts: http://www.youtube.com/@homefronts