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 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 ...

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

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

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

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

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

In an exclusive report, a recent search of Shane Tamura's Las Vegas studio apartment, located just blocks from the Strip, has ...

Shane Tamura is suspected of killing four people before shooting himself on the 33rd floor of the building at 345 Park Avenue ...