Around 3 am on Sunday, police divers in the Harlem River, near 123rd Street, found a semiautomatic .40-caliber weapon that authorities believe Tyrone Howard used to shoot and kill NYPD Officer Randolph Holder earlier this week, the New York Times reports.

An East Harlem drug dealer and addict also wanted in connection with the September shooting of an area gang member stands accused of killing a police officer in New York on Tuesday, Police Commissioner William Bratton said Wednesday. Charges against Tyrone Howard, 30, are pending.

In court papers filed on Thursday, city lawyers claim the family of a college student murdered in 2013 at an East Harlem housing project don’t deserve a settlement from the city because she should have known the “risks” of being there, the New York Post reports.