Gunman Shane Tamura fired nearly 50 shots Monday during his rampage on a Park Avenue skyscraper, where he killed an NYPD ...

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

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

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

The gunman suspected of targeting the National Football League headquarters in New York, killing four, was a former football ...

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 ...

Also killed in the massacre were Blackstone executive Wesley LePatner, security guard Aland Etienne and 36-year-old NYPD ...

Tamura was involuntarily held after being considered a danger to himself or others, according to a law-enforcement official.

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

A gunman who killed four people at a Manhattan office building bought the rifle from his supervisor at a Las Vegas casino, ...

What to know about NYC gunman's football connection, which he mentioned in a note left behind after a deadly shooting where ...

One theory is that Tamura went dark on social media or cut ties with certain people. His behavior back then may have been a sign of the decline in mental health that culminated in Monday’s shooting, ...