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

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

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

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

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

The alleged gunman at a shooting rampage in a midtown Manhattan office building was identified as 27-year-old Shane Tamura, ...

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

Four people, including an off-duty New York City police officer, were killed Monday when a gunman carrying a rifle opened ...

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