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

Dakota Hawver, a 26-year-old Reno resident, died in the overnight hours, police announced Thursday morning. Hawver had been ...

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

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

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

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

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 ...

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.

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 ...