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

NEW YORK, NY - Multiple people have been killed, including one officer, after gunfire erupted in Midtown Manhattan on Monday ...

Didarul Islam, 36, was fatally shot during Monday’s Midtown Manhattan shooting. Sources say the off-duty NYPD officer was ...

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

Following the tragic mass shooting in Midtown Manhattan, two fundraisers have collectively raised over $250,000 to support the family of fallen NYPD officer Didarul Islam. The 36-year-old father of ...

The man behind Monday's deadly Midtown Manhattan shooting bought his AR-15-style rifle from his boss at a Las Vegas casino, ...

Then officials say the suspect then got into the elevator and headed to the 33rd floor, the headquarters of Rudin Management.

A New York City police officer who was among the four people shot and killed by a gunman during a rampage at a Manhattan ...

The medical examiner confirmed that Shane Tamura died from a self-inflicted gunshot wound, but has not yet made a ...

Authorities have now identified all four killed in Monday night's mass shooting inside a Midtown Manhattan skyscraper. The ...

NEW YORK -- A 27-year-old man wearing body armor and carrying an M4 assault rifle shot and killed four people, including ...

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