LAS VEGAS -- The gunman who killed four people before taking his own life in a midtown Manhattan office building that houses the NFL's headquarters had for years sought medical help for frequent, ...

Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

Officer Didarul Islam Among Five Victims in Manhattan Mass ShootingOn Monday evening, tragedy struck New York City as NYPD ...

Roughly 15,000 mourners gathered for the funeral of NYPD Officer Didarul Islam, who was killed in an office building shooting ...

Didarul Islam's casket, draped in the NYPD flag, was carried by officers through the streets of the Bronx to Parkchester Jame Masjid on July 31.

Roger Goodell also gave a health update on the league employee who was seriously injured in the gun attack that killed four ...

Four people, including an off-duty New York City police officer, were killed Monday when a gunman carrying a rifle opened ...

New York City is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

Police Officer Didarul Islam, a father of two with a baby on the way, was one of the four people killed by Shane Tamura ...

Also killed in the massacre were Blackstone executive Wesley LePatner, security guard Aland Etienne and 36-year-old NYPD ...

NYPD investigates Midtown Manhattan office shooting by Shane Tamura, revealing details from his Las Vegas home.

New York police honor fallen officer Didarul Islam with funeral services after he was killed by a gunman in a Midtown office ...