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

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, ...

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

FBI assists Montana police in search for shooting suspect Michael Paul Brown who remains at large after attacking multiple ...

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 ...

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

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

Police say a gunman who killed four people in a Manhattan skyscraper before taking his own life claimed to have a brain ...

Police are scouring mountains for an armed military veteran after four people were killed in a shooting in a Montana bar.

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

A gunman opened fire at a neighborhood bar in the small town of Anaconda, Montana, on Friday morning, killing four people ...