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

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

A long-time office cleaner said she encountered the suspected in a mass shooting in a Midtown Manhattan office building.

NYPD Officer Didarul Islam, the police officer gunned down in a Midtown Manhattan mass shooting inside a Park Ave. office ...

NYPD investigates Midtown Manhattan office shooting by Shane Tamura, revealing details from his Las Vegas home.

NEW YORK (TNND) — A New York City police officer who was among the four killed by a gunman at a Midtown Manhattan office ...

New York police honor fallen officer Didarul Islam with funeral services after he was killed by a gunman in a Midtown office ...

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

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the ...