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

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

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

Shane Tamura, a 27-year-old former high school football player from Las Vegas with a documented mental health history, was ...

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

The New York City Medical Examiner determined a cause and manner of death for the gunman who killed four people inside a midtown Manhattan office tower before turning the gun on himself. Shane Tamura ...

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

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 ...

The 27-year-old Nevada man opened fire at a New York City office building, killing at least four people and then himself.

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