Decades of threats have heightened security in New York City. But Monday’s attack in a Park Avenue office building shows the ...

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

Eric Adams said on a Tuesday morning appearance that a note found on the gunman mentioned the league and referenced CTE.

As for security, badges and sign-in lists for visitors became standard fare in New York office buildings after the Sept. 11 ...

Four people were killed, including an off-duty New York City police officer, when a gunman opened fire in an office tower ...

A note found in the gunman's wallet was critical of the NFL and mentioned CTE. The 27-year-old wrote, “Study my brain please.

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

The last killing of such a scale in the city was during a fast-food restaurant robbery in Queens in 2000. Mass murders of ...

The man who gunned down four people at a Park Avenue office building left anti-psychotic medication in his Las Vegas ...

The deadly shooting in Midtown Manhattan raises questions about what’s needed now to adequately secure office buildings.

The brain disease has most commonly been found in athletes in contact sports and others with a history of repeated brain ...

New York City has some of the toughest gun laws in the nation. But Monday’s mass shooting showed their limits, security ...