Mary Bell - child serial killer When she was Mary Bell strangled a 4 year old boy named Martin Brown. When she was she, along with a 13 year old friend killed another boy, this time a 3 year old named Brian Howe. They strangled him, and Mary carved !
On 25 May the day before her birthday, Mary Bell strangled Martin Brown. On 31 July she strangled Brian Howe. She then carved an "M" on his stomach with a razor; cut his hair, scratched his legs, and mutilate his penis. Today she is a free woman.
Martin Brown, murdered at age 4 by two girls, Mary and Norma Bell. His death was considered a playground accident, then an OD, and finally -- after a second little boy was killed -- they realized they had a murder on their hands.