Gunman Shane Tamura fired nearly 50 shots Monday during his rampage on a Park Avenue skyscraper, where he killed an NYPD ...

Sebije Nelovic, who for 27 years has cleaned the Manhattan office building that was the site of the shooting, was dusting a ...

The man who gunned down four people at a Park Avenue office building left anti-psychotic medication in his Las Vegas ...

The man who killed four in a mass shooting at 345 Park Avenue bought the gun from his supervisor at a Las Vegas casino.

The New York City Medical Examiner determined a cause and manner of death for the gunman who killed four people inside a ...

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

Wesley LePatner was Blackstone's head of real estate and CEO of an evergreen real estate fund. She was a victim of Monday's ...

The medical examiner confirmed that Shane Tamura died from a self-inflicted gunshot wound but hasn't yet determined a CTE ...

Employees at firms including Blackstone and KPMG hid and set up barricades during the gunman’s rampage.

The man who killed four and seriously injured another at the building that houses the NFL's offices bought the gun from a ...

The glittering skyscraper where hundreds work became the scene of New York City’s deadliest gun attack in 25 years when a man ...