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 continues to work with investigators across the country to learn more about the gunman in Monday's deadly Midtown ...

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

NYPD said the gunman purchased the fully-assembled AR 15-style rifle used in the shooting from his supervisor.

WABC, BLACKSTONE, UJA FEDERATION OF NEW YORK, FAMILY HANDOUT, NYPD, LINKEDIN, GATHMAND ETIENNE, FACEBOOK, CNN, Gathmand ...

Roger Goodell also gave a health update on the league employee who was seriously injured in the gun attack that killed four ...

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

The gunman who opened fire at a Manhattan office building Monday, killing four people before taking his own life, legally ...

Detectives searched the studio apartment of 27-year-old Shane Tamura, who shot five people on Monday before killing himself, ...

The man who stormed a Manhattan office tower with a gun, killing four people before killing himself, worked in the ...

Nevada Gov. Joe Lombardo says mental health services, not gun laws, should be the focus following the NYC mass shooting that killed four people.