Mary Steinhauser is the only peace officer in the history of penal institutions in Canada to willingly offer up her life in the service of her country. It was during a 1975 prison escape attempt and 41-hour hostage-taking by three desperate inmates of the British Columbia Penitentiary in New Westminster, B.C. that Mary volunteered to be the principal hostage. For 41 hours, she was held as a human shield, protecting not only the inmates but the fourteen other hostages sequestered in a nearby vault. Her calmness, composure and bravery throughout the entire hostage-taking was noted by the negotiators and penitentiary staff alike. She was killed there. This is her story.