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: ...

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

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

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

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

The injured NFL employee in the New York City shooting has been identified as Craig Clementi, per reports. Here's the latest ...

Shane Devon Tamura, 27, identified by the NYPD as the Midtown Manhattan office building shooter/Obtained by ABC News(NEW YORK ...

The New York City office building at 345 Park Avenue where a deadly shooting occurred serves is the headquarters of ...

A Nevada man recently traveled to New York City, entered a Manhattan building wearing body armor, carrying an M4 rifle, and ...

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

The New York Giants are among those around the NFL community reacting to Monday night's mass shooting in Manhattan.