Uncover the chilling true story of Charles Edmund Cullen, the most prolific serial killer in U.S. history. Known as the "Angel of Death", Cullen used his position as a nurse to silently murder dozens—possibly hundreds—of patients over 16 years. In this gripping true crime documentary, we dive deep into his shocking confession, his dark motives, and how he evaded justice for so long. 🔔 Subscribe for more serial killer documentaries, true crime stories, and unsolved mysteries every week!
