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

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

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

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

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

"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 ...

The man who killed four in a mass shooting at 345 Park Avenue bought the gun from his supervisor at a Las Vegas casino.

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

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

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

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