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 ...

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

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

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

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

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 mayor of New York says Shane Devon Tamura may have been targeting the headquarters of the NFL when he opened fire at a ...

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

Instead of calling 911 to get help for himself, authorities say the NFL worker called his colleagues to alert them of the danger headed their way.

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