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

Shane Tamura, 27, who fatally shot four people in the building that houses the National Football League's headquarters Monday ...

A New York City police officer who was among the four people shot and killed by a gunman during a rampage at a Manhattan ...

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 ...

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

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

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 gunman who killed four people in a midtown Manhattan office building left a suicide note indicating that he was targeting the NFL, police said.

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

An NFL employee was among those wounded in a shooting at a building that houses the league’s offices in midtown Manhattan, ...