There are dozens of known cases of juvenile female serial killers.
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1961 – Donna Marie Stone – Belleville, Illinois – age 13 at time of capture – 4 murders
With her 32-year old lover, Donna Marie Stone went on a 3-day interstate murder spree. She was the one who fired the first two shots into the head of their first victim, a woman whom they kidnapped. The murdered a man and his 10-year old daughter and finally a male hitchhiker, who was shot 4 times, 2 shots each by each of the pair. She was given a plea deal on a manslaughter charge and was released on parole in 1968.
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2011 – “La
Perris” (alias) – Medellin, Colombia – age 17 at time of apprehension; 14
at time of first gang criminality. (multiple adult deaths presumed; 1 child
death; 2 attempts, both with serious injury)
"La Perris," 17, who was in charge of a group of hitmen, has worked for
Vargas Cardenas, one of the most-wanted men in Medellin and one of the top
leaders of the Oficina de Envigado gang, for about three years. In 2011, she
was arrested in Medellin, Colombia, for possession of a firearm. Police also
expect that La Perris was involved with training or assisting young assassins
in the Antioquia department's capital city of Medellin. La Perris was allegedly
involved with an attack on a 16-year-old girl, which killed one girl and
injured a 13-year-old and 6-year-old in the process. According to General Yesid
Vasquez, the attack occurred because the two girls refused to be part of her
gang. The 6-year-old is in critical condition at San Vincent de Paul hospital,
after suffering a shot to the neck and cardiac arrest. [edited from linked
source]
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2014 – Gakirah Barnes – Chicago, Illinois, USA – age 17 when murdered (20 murders, reputed)
Gakirah Barnes committed her first murder, it is thought, at the age of 14, in 2011. She then joined a Southside Chicago gang, St. Lawrence Boys (AKA Fly Boy Gang). By the time she was killed in 2014 in a drive-by shooting by a rival gang, she is reputed to have committed 20 murders.
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