hit man

n.	1.	A professional murderer, esp. one working for a criminal organization; also called torpedo.
	2.	A slanderer working for political purposes to damage the reputation of an opponent; a hatchet man.

Noun

1.

hit man - a professional killer who uses a gun Synonyms: gun for hire, gunman, gunslinger, hired gun, hitman, torpedo, triggerman, gun, shooter

gun, gun for hire, gunman, gunslinger, hired gun, hitman, liquidator, manslayer, murderer, shooter, torpedo, triggerman