The NFL vowed to be resilient, two days after league headquarters was targeted by a gunman who killed four people on Monday.

Officer Didarul Islam “did believe in the American dream, not as something handed down but as something built with your own hands,” Police Commissioner Jessica Tisch told Islam’s family and friends.

Hundreds of officers from as many as 54 of the city’s 77 precincts in the city, as well as from states and counties in the surrounding area, attended the funeral