An active shooter incident occurred in Midtown Manhattan, New York, officials said. Here's what to know about 345 Park Ave.

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

Also killed in the massacre were Blackstone executive Wesley LePatner, security guard Aland Etienne and 36-year-old NYPD ...

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

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

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

The shock is beginning to wear off," said co-chair Mitchell Nussbaum, who is based in New York but was traveling when an ...

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

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

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

How safe are office buildings after crazed NYC shooter Shane Tamura kills four in Park Ave skyscraper? Security experts weigh ...

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