Under the Microscope After an OIS

In Graham v. Connor in 1989, the U.S. Supreme Court said this about after-the-fact evaluations of an officer's use of force: "The reasonableness of a particular use of force must be judged from the perspective of a reasonable officer on the scene, rather than with the 20/20 vision of hindsight. The calculus of reasonableness must embody allowance for the fact that police officers are often forced to make split-second judgments—in circumstances that are tense, uncertain, and rapidly evolvin