A male nurse, Charles Cullen relieved the tension caused by domestic failure, depression, alcohol abuse and chronic debt by killing his patients. He confessed to murdering 35 patients, but the number may be closer to 40.
Attentive pediatric nurse Allitt murdered four and maimed another nine babies in her care before she was stopped. Sentenced to life 13 times but diagnosed with the controversial Munchausen by Proxy syndrome, Allitt was placed in a cushy mental institution for treatment, rather than a prison for punishment.
Britain’s worst serial killer, he was born on January 14, 1946, and found hanged in his cell on January 13, 2004. He was adored by his many elderly patients, while he in return had only contempt for them and couldn’t seem to kill them fast enough. It is believed that he murdered more than 250 of them.
On September 7, 1987, former nurse’s aide Donald Harvey was indicted in Kentucky, where he confessed to committing 12 murders while employed at Marymount Hospital. Harvey would ultimately claim to have killed over 100 patients.
On June 29, 2010, Jayant Patel, implicated in as many as 17 patient deaths, was found guilty in four and sentenced to a mere 7 years in prison.