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 ...

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 ...

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 ...

Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

Shane Tamura, 27, used a rifle identified as an M-4 during the attack at 345 Park Avenue on Monday, police said.

What we know about Tamura’s life, how he got the assault rifle that he used to kill an NYPD officer and three others, and the ...

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

New York City’s deadliest shooting in 25 years – in a state with some of the toughest gun laws in the nation – is raising ...

Tamura’s past includes two involuntary psychiatric holds and a citation for misdemeanor trespassing by Las Vegas police in ...