Workers returned to 345 Park Ave., on Monday​ under the watchful eyes of NYPD officers and a surplus of security after the ...

A New York City office building where a gunman killed four people then himself has reopened a week after the deadly shootings ...

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

Under New York State law, it is illegal, except under very limited circumstances, to possess the high-powered M4-style rifle ...

The lobby of 345 Park Avenue will reopen for the first time since last Monday's mass shooting that left four innocent victims ...

During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

A man stalked through a Manhattan office tower firing a rifle, killing four people, including a New York City police officer, ...

Social media users have baselessly theorized that Shane Devon Tamura wasn't targeting NFL headquarters but Wesley LePatner, a ...

A security expert offers a list of ‘must-haves’ for workplace safety that may save lives in the event of a mass shooting.

There were 23 shell casings and 13 bullet fragments recovered from the lobby of 345 Park Avenue and 24 spent shell casings on ...

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

NEW YORK -- Wesley LePatner, a senior executive at Blackstone, was laid to rest on Thursday. She was one of four killed after ...