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Fratricide is the act of killing one's own brother. The term is Latin in origin, stemming from a combination of the Latin words Frater (brother) and Cida (killer). Though it can also be Cidum (meaning killing), and both from caedere (meaning to kill, to cut down). The act can be done both directly or by proxy (as long as the killer's target is their brother). There is also a Military variant which refers to the killing of a comrade.

On Criminal Minds[]

Fratricidal killers featured on the show.

Real-world[]

Real-life Fratricidal killers

Further Readings[]

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