Sebije Nelovic, who for 27 years has cleaned the Manhattan office building that was the site of the shooting, was dusting a ...

RENO, Nev. (AP) — The suspected gunman who killed three people outside the largest casino in Reno, Nevada, before police ...

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

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

The gunman who killed four people, including an NYPD officer, inside a Manhattan office building Monday evening left a note ...

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the ...

The gunman accused of killing four people in a Midtown Manhattan office tower bought the AR-15-style rifle used in the attack ...

NYPD Chief John Chell describes Midtown Manhattan office shooting as mayhem after gunman Shane Tamura killed four people, ...

WASHINGTON/NEW YORK, July 29 (Reuters) - Cameras at 345 Park Avenue flagged an approaching gunman on Monday as a potential ...

Chronic traumatic encephalopathy is a degenerative brain disease caused by repeated head trauma. Here's why it's so dangerous ...

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

The shooting at a Midtown Manhattan tower exposes how eliminating threats can be nearly impossible, even in fortified ...