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 ...

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.

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.

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

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

When I look into you and dad’s eyes, all I see is disappointment,” Tamura wrote to his mother in the note. “I love you, Momma ...

A deadly Manhattan office shooting by former high school football player Shane Tamura has renewed attention on how head ...