The NFL headquarters will be beefing up security at its 345 Park location following last month's mass shooting.

The NFL has confirmed major security upgrades at its New York City headquarters following a deadly shooting that left four ...

The NFL is increasing security at its headquarters after last month's mass shooting in Midtown Manhattan. A league executive says the NFL is working with the other tenants at 345 Park Avenue to make ...

The 27-year-old man who shot and killed four people at a Midtown office building on Monday carried a note in his pocket, police sources told ABC News.

The widow of the off-duty police officer who was killed in a mass shooting July 28 in New York City's Midtown Manhattan, gave ...

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

LAS VEGAS -- The gunman who killed four people before taking his own life in a midtown Manhattan office building that houses ...

A gunman who killed four people when he stormed a skyscraper in the heart of New York on Monday evening left a note that appeared to blame the National Football League (NFL) for a brain injury, the ...

Coaches and players around the NFL expressed their sadness and condolences after a gunman, who was trying to target the ...

NEW YORK (TNND) — The widow of the "hero" off-duty police officer who was killed in a mass shooting at a Midtown Manhattan ...

Members of the New York City Office of the Chief Medical Examiner at the scene where three people were killed and eight other ...

You can’t go against the NFL, they’ll squash you,” 27-year-old Shane Devon Tamura wrote in the three-page note discovered in ...