Most evil women in history-Marybeth Tinning


Marybeth Tinning (born: 1942)

Marybeth Tinning is an American serial killer currently serving a 20 years to life sentence after being convicted of the murder of one of her children. Her case is held to be one of the most extreme cases of Münchausen syndrome by proxy. Working as a nurse’s aide, she was notorious for having killed nine of her own children by strangulating them and taking them to the hospital almost dead. For a very long time, hospital authorities thought that these deaths were a genetic problem in the family. But when Marybeth brought her adopted son to the hospital in an unconscious state, and he was later declared to be dead, the doctors began to suspect foul play. It was that nine of her healthy children died suddenly and usually without any rational explanation. Later, she was convicted and sentenced to life imprisonment.


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