Answer: murderer

AnswerCrossword Clue
MURDERERMacbeth, e.g.
MURDERERWhodunit revelation
MURDERER"Whodunit" character.
MURDERERMacbeth, for example.
MURDERERWhodunit role.
MURDERERLawbreaker
murdererone who murders (to kill unlawfully with premeditated malice)
murdererA person who commits murder; a killer