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

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: ...

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

While news of the shooting sent shockwaves across the league, the development that the NFL offices were specifically targeted ...

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

Legendary broadcaster and journalist Bob Costas joined NewsNation's "CUOMO" Tuesday to discuss how social media impacts the ...

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

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

A football interview from Shane Tamura's playing days has resurfaced online following his shooting spree in Manhattan.

The gunman, Shane Tamura, may have suffered from chronic traumatic encephalopathy and played high school football in ...