A cross-country drive, a Midtown office rampage, and a note blaming football injuries. Here's what we know so far about the ...

The 27-year-old Nevada man opened fire at a New York City office building, killing at least four people and then himself.

Multiple casualties as gunman opened fire in the lobby of the midtown Manhattan building on Park Avenue that is home to the ...

A WITNESS has described the moment she saw a bloodied victim sprint out of a New York City skyscraper and scream for help ...

Four people, including an off-duty New York City police officer, were killed Monday when a gunman carrying a rifle opened ...

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

The police said that he had a history of mental illness documented in Nevada and that it was unclear why he targeted the building.

Four people, including an off-duty New York City police officer, were killed Monday when a gunman carrying a rifle opened ...

A 2015 football video of Shane Tamura, the NYC mass shooter, has resurfaced after the deadly NFL headquarters shooting. The ...

A gunman wielding an assault-style rifle has stormed a skyscraper in the heart of New York, killing four people before ...

A man who killed four people, then committed suicide in a New York skyscraper, may have been targeting the NFL offices there ...

Exclusive: The 27-year-old gunman would sometimes look ‘empty,’ or spaced-out, Tobenna Okunna told The Independent, adding, ‘He did hit his head a lot, for sure.’ ...