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 is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

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

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

New York City police detectives searched the Las Vegas studio apartment of the suspected gunman in Monday's mass shooting at ...

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

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

The suspect was identified as Shane Tamura, of Nevada, two people briefed on the investigation told the AP. Sources said he ...

Retired Las Vegas police lieutenant Randy Sutton discusses how the alleged gunman involved in the New York City shooting may ...

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

The man who killed four people, including a New York City police officer, during a shooting inside a Manhattan skyscraper Monday once refused to leave a Las Vegas casino, leading to his arrest.

New York City investigators believe a co-worker of the Las Vegas man who killed four, including a police officer, provided a component of the deadly weapon, the 8 News Now ...