Lisa Marie Montgomery (February 27, 1968 – January 13, 2021) was a convicted murderer. In 2004, she attacked and killed a 23-year old pregnant woman, and cut the unborn child from her womb. The mother had been pregnant for eight months, the child survived and was given to the father. In 2007, Montgomery confessed the crime. She was sentenced to death. She was diagnosed with bipolar disorder. Also, during her childhood, she had been sexually abused for years. She also had other conditions, such as post-traumatic stress disorder, psychosis, dissociative identity disorder and amnesia. Her lawyers argued, that because of these conditions, she was severely handicapped, and should not have been tried in a regular court. Montgomery has four children. On January 13, 2021, she was executed by lethal injection.