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

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

A man who killed four people at a Manhattan office building bought the rifle he used in the attack and the car he drove ...

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

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

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 ...