Police believe New York City cop killer was a member of the Black Guerrilla Family: sources BY Tina Moore , Bill Hutchinson NEW YORK DAILY NEWS Saturday, December 20, 2014, 7:11 PM Ismaaiyl Brinsley, 28, shot two cops dead as they sat in a patrol car in Bedford-Stuyvesant to avenge the deaths of Michael Brown and Eric Garner. He also shot his former girlfriend at her home in the Baltimore area on Saturday morning, police said. Law enforcement sources said the NYPD has dispatched investigators to Baltimore to probe Brinsley's past and suspected involvement with the Black Guerrilla Family prison...