revenge
harmful action in response to a grievance
retorsion
act perpetrated by one nation upon another in retaliation or reprisal for a similar act perpetrated by the other nation
reprisal
limited and deliberate violation of international law to punish another sovereign state
retorsion
lawful retaliation by a state for the unlawful actions of another state
Wonderland murders
four unsolved killings that occurred at 8763 Wonderland Avenue in Los Angeles on July 1, 1981
Operation Wrath of God
covert operation