The man, Win Rozario, 19, had called 911 and seemed to be in mental distress, officials and his family said. The police appeared to shoot him at least four times.
The victim’s brother contradicted aspects of the police account of the shooting and said his mother had been restraining her son when officers fired their guns.
Kawaski Trawick was killed in his home after brandishing a knife. An independent review board took too long to file internal charges, the N.Y.P.D. official overseeing the case said.