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

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

Wearing body armor and wielding an assault-style rifle, the alleged gunman burst into a Midtown Manhattan office building ...

Authorities also found a vehicle with Nevada plates registered to Tamura at the scene, with a rifle case inside, sources said ...

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 ...

Police are investigating a reported active shooter at a Midtown Manhattan high-rise. Here’s what we know about the suspect ...

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

A 27-year-old man from Las Vegas drove across the country, walked into a Manhattan office tower with an M4 rifle, ...

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

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

NYPD detectives, collaborating with Nevada authorities, are investigating the Park Avenue shooting carried out by Shane ...