A man stalked through a Manhattan office tower firing a rifle Monday, killing four people, including a New York City police ...

Officials say a man with a rifle killed an off-duty New York City police officer and three other people before taking his own ...

Authorities say Shane Devon Tamura travelled across the country from Las Vegas to open fire inside the skyscraper.

New York City is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

The shooting took place at a skyscraper that is home to the headquarters of both the NFL and Blackstone, one of the world’s ...

Follow along for live updates on the New York City shooting, where police investigate motive after five people, including the ...

Former FBI Special Agent Vito Roselli said one of the biggest challenges with safeguarding city buildings is that many ...

A New York City police officer and an executive at an investment firm are among the four people killed by a gunman at a Manhattan office tower ...

The safeguards were not enough to stop the gunman, Shane Devon Tamura, 27. He bought his AR-15-style rifle in Nevada, where it was legal, and drove to New York, where it was not. The police said four ...

A New York police officer stands watch on 52nd Street outside Manhattan office building where people were shot, Monday, July ...

A man with a rifle killed an off-duty New York City police officer and three other people before taking his own life at a Manhattan office tower on Monday, according to officials.