murderer has definitions from the fields of law,criminal law
1
[ noun ] (law,criminal law) a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)

Used in print

(John Michael Ray, "Rhode Island's Reactions...)

During the Brown trial , however , the state 's most powerful Democratic newspaper , the Providence_Daily_Post , stated that Brown was a murderer , a man of blood , and that he and his associates , with the assistance of Republicans and Abolitionists , had plotted not_only the liberation of the slaves but also the overthrow of state and federal_governments .

(Glayds H. Barr, The Master of Geneva....)

Before them stalked the beadle , proclaiming as he went , `` Thus the Council deals with those who break its laws - adulterers , thieves , murderers , and lewd persons .

Dice rolled , prostitutes plied their trade , thieves stole , murderers stabbed , and the ungodly blasphemed .

*