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

The New York City office building that was the site of a mass shooting Monday had significant security measures in place.

Police are still piecing together Shane Tamura’s movements but his black BMW traveled cross-country through Colorado, ...

The gunman who killed four people, including an NYPD officer, inside a Manhattan office building Monday evening left a note ...

The New York City office building at 345 Park Avenue where a deadly shooting occurred serves is the headquarters of ...

An NYPD officer, a Blackstone executive, a Rudin Management associate and a security guard were killed in the shooting at ...

The shooter, identified as 27-year-old Shane Tamura of Las Vegas, left a suicide note suggesting he had CTE and was targeting ...

The victims of the Manhattan office building shooting are identified as NYPD Officer Didarul Islam, Blackstone executive ...

Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday. The ...

Officials say a man with a rifle killed an off-duty New York City police officer and three other people before taking his own ...

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

A police officer was among the dead. The gunman carried an M4 rifle and died after shooting himself in the chest, police said ...