 On April 14, 1972, Patrolman Philip Cardillo and Vito Navarra responded to a "10–13" call at 102 E. 116th St. in Harlem, which was a Nation of Islam mosque where Malcolm X used to preach.Upon arriving inside, they were ambushed by 15 to 20 men, one of whom, according to the ballistics report, shot Cardillo at point blank range.Most of the police were forced out of the mosque and locked out, leaving a dying Cardillo and officers Victor Padilla and Ivan Negron locked inside.