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

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

A gunman who killed four people at a Manhattan office building bought the rifle from his supervisor at a Las Vegas casino, ...

New York City investigators believe a co-worker of the Las Vegas man who killed four, including a police officer, provided a ...

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

The man who stormed a Manhattan office tower with a gun worked in the surveillance department of a Las Vegas casino.

Police executed a search warrant at the Las Vegas apartment of Shane Tamura, where the items obtained included a goodbye note ...

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

When I look into you and dad’s eyes, all I see is disappointment,” Tamura wrote to his mother in the note. “I love you, Momma ...

Shane Tamura is suspected of killing four people before shooting himself on the 33rd floor of the building at 345 Park Avenue ...