Police searched Shane Tamura’s employee locker at a Las Vegas Strip casino in their attempts to piece together why he killed ...

New York City’s deadliest shooting in 25 years – in a state with some of the toughest gun laws in the nation – is raising ...

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

Among the dead were a police officer, a security guard and two people who worked at companies in the building. An NFL ...

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

"He comes with a machine gun. He's not going to know who I am. He's going to shoot, no matter what," Sebije Nelovic said in a ...

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

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.

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

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

Authorities confiscated items including gun paraphernalia and pill bottles from a Las Vegas apartment tied to a gunman who used an AR-15-style rifle to kill four people in Manhattan, according to ...

A flatbed truck carried a digital billboard showing photos of Officer Didarul Islam and a commemorative message from his union.