Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

Police searched Shane Tamura’s employee locker at a Las Vegas Strip casino in their attempts to piece together why he killed ...

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 ...

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

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

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

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada ...

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