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

Those words were spoken in a recent CBS This Morning interview by James Dolan, the owner of the New York Rangers and the CEO ...

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

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

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 ...

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

Detectives searched the studio apartment of 27-year-old Shane Tamura, who shot five people on Monday before killing himself, ...

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

The man who stormed a Manhattan office tower with a gun, killing four people before killing himself, worked in the ...