The rifle used in a shooting in a New York City office building that killed four people has been tied to South Carolina's ...

No motive has been announced. A suicide note was found expressing grievances with the NFL and saying Tamura suffered from CTE ...

Shane Tamura killed four people at a Manhattan office building Monday, including Blackstone executive Wesley Lepatner and New York City police officer Didarul Islam. The head of the NYPD said ...

As for security, badges and sign-in lists for visitors became standard fare in New York office buildings after the Sept. 11 ...

Live updates and developments about a shooting in New York City's Midtown. Five people, including the gunman and a police ...

Investigators are examining why the gunman who killed four people before taking his own life at a New York City office tower ...

The attorney for the man who sold what would become the deadly weapon in a mass shooting in New York City earlier this week ...

A shooting in a Manhattan skyscraper late on Monday that killed four people, including a New York City police officer, has ...

The NYPD sent detectives to Las Vegas to work with federal law enforcement in the investigation into Monday's deadly shooting ...

The head of the New York Police Department said that investigators plan to question a man who supplied parts for a gun used ...