Police have identified the man who entered a Midtown Manhattan office building wearing body armor and opened fire killing ...

The video above aired in a previous newscast. NEW YORK (PIX11) — A gunman who killed four people in a Park Avenue building ...

Mourners packed a New York mosque to honor a Bangladesh-born police officer who was killed at an office building this week.

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

Authorities confiscated several items from a Las Vegas apartment tied to a gunman who used an AR-15-style rifle to kill four ...

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

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 ...

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 with a moment of silence for the four people killed earlier this ...