New York City detectives investigating this week's mass shooting were interviewing the attacker's associates in his home ...

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

The disease has been diagnosed in more than 100 former NFL players and arisen as an existential threat to the United States’ ...

Shane Tamura was remembered by high school classmates and a coach as a talented running back. Recently, though, he was ...

Shane Tamura, 27, who fatally shot four people in the building that houses the National Football League's headquarters Monday ...

The perpetrator said in a note that he suffered from CTE, a progressive neurodegenerative disorder caused by recurring head ...

Gunman who opened fire in a NYC skyscraper bought his $1,400 gun from his casino boss - Police did not say whether the gun ...

A gunman who killed four people at a Manhattan office building before killing himself claimed in a note to have a brain ...

The midtown Manhattan shooter left a suicide note, asking for his brain to be studied, as he wondered whether Chronic ...

The gunman left behind a suicide note in which he claimed he had chronic traumatic encephalopathy (CTE) — the brain disease ...

New York Mayor Eric Adams said a note from the shooting suspect mentioned chronic traumatic encephalopathy, a brain disease ...

A degenerative brain disease that has been linked to concussions and other head trauma common in military combat and contact ...