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

After one league employee was shot and hospitalized last month, the NFL has given its staff the option to come back to the headquarters building.

Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.

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

Four people died after a gunman opened fire in a Manhattan office building, and security footage showed the shooter calmly entering with an M4 rifle before his deadly rampage.

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 the NFL's headquarters had for years sought medical help for frequent, ...

Coaches and players around the NFL expressed their sadness and condolences after a gunman, who was trying to target the league's headquarters, killed four people in Manhattan.

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 ...

Random attacks lacking clear motives rise as perpetrators seek approval in extremist online communities, making ...

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

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