Four victims, including an NYPD officer and a Blackstone executive, were killed in an NYC shooting at 345 Park Avenue.

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada late last week.

NYPD teams descending on Las Vegas in search for gunman’s motive as all four victims identified - Shane Tamura fatally shot ...

The suspect in a New York City shooting which left at least five people dead on Monday was identified by the New York Post.

Investigators plan to question a man who supplied parts for a gun used in the shooting at a Manhattan office building that ...

The alleged gunman at a shooting rampage in a midtown Manhattan office building was identified as 27-year-old Shane Tamura, ...

The gunman who killed four people, including an NYPD officer, inside a Manhattan office building Monday evening left a note ...

An NYPD officer, a Blackstone executive, a Rudin Management associate and a security guard were killed in the shooting at ...

A fifth shooting victim -- an NFL employee, according to Commissioner Roger Goodell -- was injured and taken to the hospital ...

The 27-year-old man who shot and killed four people at a Midtown office building on Monday carried a note in his pocket, ...

The dead include Didarul Islam, 36, an off-duty officer who was working security in the building, two men and a woman.

Wearing body armor and wielding an assault-style rifle, the alleged gunman, identified by police as 27-year-old Shane Tamura, ...