public service murder
n.— «A Prince William County jury says Justin Michael Wolfe, the 20-year-old drug dealer who hired his high school buddy to assassinate his marijuana distributor, should die for his crime. The judge has not yet ruled. Prosecutors like to call this sort of killing a “public service murder.”» —“Putting Justice To the Test, With Puzzling Results” by Marc Fisher Washington Post Jan. 29, 2002. (source: Double-Tongued Dictionary)