Answer: blackmail

AnswerCrossword Clue
BLACKMAILCoerce illegally
BLACKMAILMotive for murder, perhaps
BLACKMAILAlfred Hitchcock's first talkie
BLACKMAILCoerce into compliance by threats.
BLACKMAILBasis of a case for Perry Mason.
BLACKMAILCase for Perry Mason.
BLACKMAILBasis of many a mystery.
BLACKMAILExtort
BLACKMAILSupreme letters (1937-71)
BLACKMAILFilm murder motive, perhaps
BLACKMAILFilm murder motive, sometimes
blackmailThe use of threats or the manipulation of someone's feelings to force them to do something
blackmailMoney demanded in this way
blackmailThe action, treated as a criminal offense, of demanding money from a person in return for not revealing compromising or injurious information about that person
blackmailto extort money from a person by threats