Officer Michael Rosfeld was charged Wednesday in the fatal shooting of the 17-year-old teen.
An unnamed man was shot by officers in New York City in the Crown Heights neighborhood of Brooklyn.
Lawmakers demand that officers practice de-escalation.
Officers Blane Salamoni and Howie Lake II are cleared in the shooting death of Alton Sterling.
Stephon Clark, a 22-year-old Sacramento man was fatally shot by police Sunday after they mistook his cell phone for a toolbar.
Charles Smith Jr., 17, was killed by North Little Rock police after a traffic stop turned deadly.
Chief Jonathan Haber told reporters that Officer Roy Oliver was fired due to violating several departmental policies, but would not elaborate further.
Former NYPD cop Richard Haste says Graham's mother has "every right to be angry" with him.
