Today we're exploring the chilling case of 'The Angel of Death,' Charles Edmund Cullen. A former nurse, Cullen confessed to murdering at least 40 patients during his 16-year career, though the actual number may be much higher. Using his access to medications, he quietly administered lethal doses, betraying the trust placed in him by vulnerable patients and their families. Join me as we uncover the details of Cullen's horrifying crimes, the investigation that finally stopped him, and the broader implications for healthcare safety.