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

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

Here's how NFL players, coaches and executives reacted to a mass shooting at the league's office building in Manhattan: ...

NFL Commissioner Roger Goodell spoke publicly for the first time since the Manhattan office shooting, saying, "It's just ...

Two teams NYPD detectives headed to Las Vegas Tuesday, to execute search warrants at Shane Tamura's home and at a gun store ...

An NFL employee was seriously injured during the mass shooting at the Manhattan office tower that houses the league’s ...

The NFL released a statement Wednesday expressing gratitude for a flood of support it received after its headquarters at a ...

Investigators believe Shane Tamura was trying to get up to the NFL offices after shooting several people in the lobby of the ...

Police say the gunman in the Manhattan office building shooting tried to target NFL offices. In a note found in the gunman's ...

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

An NFL employee was seriously injured in a shooting at a   Midtown Manhattan office tower Monday where a gunman killed at ...

The deadly shooting at a New York City high-rise office building Monday night raises new questions for CEOs and businesses as ...