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

Years before police say he gunned down four people at a Manhattan tower that is home to the National Football League, Shane ...

In the photos first shared online, Tamura was captured walking into 345 Park Avenue with an assault rifle in his hand while ...

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

A supervisor at the Las Vegas casino where Shane Devon Tamura worked legally purchased the gun used in the Midtown Manhattan ...

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

Tamura had apparently driven across the country from Nevada before killing four people in a shooting rampage in Manhattan.

Shane Devon Tamura, the man identified as the gunman who killed four people in a deadly shooting at a midtown Manhattan ...

The alleged gunman was identified as 27-year-old Shane Tamura, of Nevada. Police said the motive for the shooting remains ...

Investigators are combing through evidence in the wake of New York City’s deadliest mass shooting since 2000, trying to ...

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