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, ...

NFL commissioner Roger Goodell has offered an important update on the league employee who was shot in Monday's attack.

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

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

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 ...

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

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

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

When I look into you and dad’s eyes, all I see is disappointment,” Tamura wrote to his mother in the note. “I love you, Momma ...

Investigators found a note left by Midtown mass shooter Shane Tamura at his Nevada apartment saying he felt like a ...

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