In 2012, Ramarley Graham, an 18-year-old black teenager, was fatally shot in his own home by a white New York City police officer, Richard Haste. Haste and other officers had followed Graham home from a nearby bodega and forced their way in, later saying that they believed Graham was carrying a gun. Graham was, in fact, unarmed.
Eighteen months after the killing, a grand jury decided not to indict Haste. Graham’s mother, Constance Malcolm, later tried to obtain information about the…