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 ...

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

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

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

Authorities say Shane Tamura failed to report for his shift at a Las Vegas casino before traveling cross-country and opening ...

Shane Devon Tamura, the gunman who killed 4 people in a N.Y.C. office building shooting, was a former high school football ...

A gunman who killed four people at a Manhattan office building bought the rifle from his supervisor at a Las Vegas casino, ...

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

New York City's Office of Chief Medical Examiner told USA TODAY Sports it would examine the brain of NYC shooter Shane Tamura ...

The brain of depraved shooter Shane Tamura could possibly be tested for chronic traumatic encephalopathy during an ...

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

During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...