murderer

noun

Etymology: From Middle English murderere; equivalent to murder + -er.

1. A person who commits murder.

   “Neither does a great nation […] debate, with drivelling tears, and diabolical sympathies, whether it ought not piously to save, and nursingly cherish, the lives of its murderers.”

   “It was two o'clock when she came to herself and called for the police. The murderer was gone long ago; but there lay his victim in the middle of the lane, incredibly mangled. The stick with which the deed had been done, although it was of some rare and very tough and heavy wood, had broken in the middle under the stress of this insensate cruelty; […]”