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

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

Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

The New York City Police Department sent detectives to Las Vegas to work with the Bureau of Alcohol, Tobacco and Firearms to ...

A man carrying a rifle killed four people at a New York City office tower Monday, including an off-duty New York City police ...

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

Exclusive video shows SWAT teams executing a search warrant at the Las Vegas apartment of Shane Tamura, the man behind Monday ...

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

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

Investigators found a note left by Midtown mass shooter Shane Tamura at his Nevada apartment saying he felt like a ...

The gunman who opened fire at a Manhattan office building Monday, killing four people before taking his own life, legally ...