Shane Tamura is suspected of killing four people before shooting himself on the 33rd floor of the building at 345 Park Avenue ...

Gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan office building lobby with a ...

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.

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

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the ...

The man who shot four people dead with an assault-style rifle inside a Midtown Manhattan skyscraper was carrying a "suicide note" that blamed the National Football League for a degenerative brain ...

The gunman who killed four before fatally shooting himself left a note suggesting that the NFL was the target of his rampage.

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

Two teams NYPD detectives headed to Las Vegas Tuesday, to execute search warrants at Shane Tamura's home and at a gun store ...

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a ...

Wearing body armor and wielding an assault-style rifle, the alleged gunman burst into a Midtown Manhattan office building ...