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

(CNN) — A supervisor at the Las Vegas casino where Shane Devon Tamura worked legally purchased the gun used in the Midtown ...

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 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 ...

An NYPD officer and three people were killed by a gunman who opened fire inside a high-rise corporate building in midtown ...

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 ...