How to sign: a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)
Similiar / Same: murderer, liquidator
Categories: criminal, crook, felon, killer, malefactor, outlaw, slayer
Within this category: assassin, butcher, cutthroat, fratricide, gunman, hatchet man, infanticide, Jack the Ripper, mass murderer, murderess, parricide, ripper, serial killer