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

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 ...

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

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

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

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

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a ...

Detectives found prescription medication for depression and epilepsy in the Las Vegas home of Midtown mass shooter Shane ...