Police say a gunman who killed four people in a Manhattan skyscraper before taking his own life claimed to have a brain ...

Roger Goodell was emotional on Thursday as he publicly addressed the deadly shooting that took place inside 345 Park Avenue, ...

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

There were 23 shell casings and 13 bullet fragments recovered from the lobby of 345 Park Avenue and 24 spent shell casings on ...

Gunman Shane Tamura fired nearly 50 shots Monday during his rampage on a Park Avenue skyscraper, where he killed an NYPD ...

Roger Goodell also gave a health update on the league employee who was seriously injured in the gun attack that killed four ...

A married father of two with a third child on the way, the 36-year-old was working a New York Police Department-approved ...

The degree of damage on the upper floor, where only one person was killed, shows how the sunglasses-sporting killer was spiraling out of control as his plan to get to the NFL offices inside 345 ...

The Las Vegas casino security supervisor who sold the assault-style rifle used in Monday's mass shooting in a Park Avenue office building complied with the law, his attorney said.

NFL Commissioner Roger Goodell expressed sorrow following the deadly shooting at a New York City office building that left ...

A former high school football player who opened fire in a Manhattan building Monday — killing four people before fatally ...

The NFL season kicked off at the annual Hall of Fame game Thursday night with a moment of silence for the four people killed earlier this week by a shooter who was targeting league headquarters in New ...