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

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

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

Tamura’s past includes two involuntary psychiatric holds and a citation for misdemeanor trespassing by Las Vegas police in 2023. None of those encounters legally barred him from purchasing a firearm.

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, ...

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

Once a promising athlete, the 27-year-old faded from public view—until he showed up at 345 Park Avenue, gun in hand.

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