New York City is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

The NFL season kicked off at the annual Hall of Fame game with a moment of silence for the four people killed earlier this ...

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

Shane Tamura, a 27-year-old former high school football player from Las Vegas with a documented mental health history, was ...

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 attorney for the man who sold what would become the deadly weapon in a mass shooting in New York City earlier this week ...

Muhammad Mainul Islam, a cousin of New York Police Department Officer Didarul Islam, said the victim's father had a stroke ...

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

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.

Family and friends of the four victims killed in the Midtown mass shooting have spent several days mourning and laying their ...

A long-time office cleaner said she encountered the suspected in a mass shooting in a Midtown Manhattan office building.

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