The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

Authorities say the man who killed four people at a Manhattan office building bought the rifle he used in the attack and the ...

Police say a gunman who killed four people in a Manhattan skyscraper before taking his own life claimed to have a brain ...

Cops identified a man who sold the weapon to mass shooter Shane Tamura as his former supervisor in the Las Vegas area.

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

The gunman, who said in a note he believed he had CTE, targeted skyscraper that houses the NFL's headquarters.

The man who sold the gun to the shooter that targeted the NFL's headquarters has been identified. Shane Tamura, 27, attacked ...

The shooter was Shane Tamura; authorities say he was intending to target the NFL offices in Manhattan but entered the wrong ...

Shane Tamura was a 27-year-old man who opened fire in the 345 Park Avenue offices on July 28 Shane Tamura opened fire in the ...

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

The lone shooter who killed four people and wounded a fifth at a New York City office building on Monday before taking his ...

Four people were killed on Monday when a man, identified by police as Shane Tamura, walked into the lobby of 345 Park Avenue ...