NYPD said the gunman purchased the fully-assembled AR 15-style rifle used in the shooting from his supervisor.

New reports suggest Shane Tamura dealt with multiple head injuries before attacking NFL headquarters in Manhattan, New York ...

Sebije Nelovic always felt safe at 345 Park Avenue. For nearly three decades, she cleaned the ritzy Manhattan skyscraper in ...

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

New York City cleaning lady Sebije Nelovic is speaking out about her chilling encounter with gunman Shane Tamura during the ...

The NYPD continues to work with investigators across the country to learn more about the gunman in Monday's deadly Midtown ...

According to Detroit Police Captain Sederick Dunbar, the victim was taken to an area hospital where he is expected to recover ...

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, ...

The survivor, who cleaned the office building, said she pleaded for her life as the gunman pointed his gun at her and managed to hide in a supply closet.

Court documents claim the gunman called the mother, demanding she return to the apartment or he said he would kill her ...

The suspected gunman who killed three people outside the largest casino in Reno, Nevada, before police officers shot and ...