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 ...

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

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

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

More than a decade before he turned a Midtown NYC office building into a killing ground, Shane Tamura stood out as a rising ...

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

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

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

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

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

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, ...

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