Nurse Charles Cullen is one of America’s most prolific serial killers. Police say he may have murdered up to 400 victims, Cullen claimed he acted mercifully.Season 23, Episode 16Originally aired: May 12, 2018See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.

Cynthia Mueller

For the first time ever, full Snapped episodes are now a podcast. Subscribe to this true crime podcast for the direct audio from the original Snapped episodes that have aired on Oxygen over the last 29 seasons (and counting)! Now you can enjoy Snapped episodes in your headphones, in your car, or at the gym. New true crime episodes of Snapped: Women Who Murder are released every Sunday. 