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

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 ...

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

The NYPD sent detectives to Las Vegas to work with federal law enforcement in the investigation into Monday's deadly shooting ...

Authorities say the man who killed four people at a Manhattan office building bought the rifle he used in the attack and the ...

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

NYPD teams descending on Las Vegas in search for gunman’s motive as all four victims identified - Shane Tamura fatally shot ...