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

The New York City Medical Examiner determined a cause and manner of death for the gunman who killed four people inside a ...

Police are retracing Tamura's movements from Nevada to New York after a Midtown Manhattan shooting that left four people dead ...

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

The Palmetto State Armory M4 assault rifle used in the shooting that killed an NYPD cop and three civilians is .223-caliber ...

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

Suspected gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan office building lobby with ...

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

Tisch said Tamura had a Nevada gun license and used an AR-15 style assault rifle. Tamura legally purchased a revolver in June using his concealed carry permit, Tisch said. CBS and CNN published a ...

NYPD said the gunman purchased the fully-assembled AR 15-style rifle used in the shooting from his supervisor.