New details are emerging about the gunman who opened fire inside the NFL’s Midtown Manhattan headquarters last week, killing ...

The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

Under New York State law, it is illegal, except under very limited circumstances, to possess the high-powered M4-style rifle ...

Four victims died in a Midtown Manhattan office shooting as an NFL employee called colleagues to warn about the gunman ...

The man responsible for a mass shooting at a New York office building, leaving four people dead, reportedly sought help from doctors in Las Vegas for frequent h ...

Within minutes, Tamura had killed four people, injured another, and eventually turned the weapon on himself on the building’s ...

Aland Etienne leaves behind two school-aged children, including a young son who celebrated his seventh birthday just days ...

The Las Vegas gunman who killed four people in a Manhattan office building housing the NFL’s headquarters before taking his own life had sought medical treatment for debilitating headaches, ESPN ...

During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed a police officer, then opened fire on other innocent strangers.

LAS VEGAS -- The gunman who killed four people before taking his own life in a midtown Manhattan office building that houses ...

The NFL season kicked off at the annual Hall of Fame game Thursday night with a moment of silence for the four people killed ...

NEW YORK — A man who killed four people at a Manhattan office building bought the rifle he used in the attack and the car he ...