Chronic traumatic encephalopathy, or CTE, is a brain disease linked to repeated hits to the head, often seen in military ...

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

The man who killed four people in the New York City skyscraper that is home to NFL headquarters carried a note blaming the ...

Study my brain please,” read a note left by the gunman accused of killing four people in a building that houses NFL’s ...

The 27-year-old man who shot and killed four people at a Midtown office building on Monday carried a note in his pocket, ...

Follow along for live updates on the New York City shooting, where police investigate motive after five people, including the ...

New York City Mayor Eric Adams said that the gunman in a mass shooting in Manhattan had a note on his body mentioning CTE.

Chronic traumatic encephalopathy is a degenerative brain disease caused by repeated head trauma. Here's why it's so dangerous ...

Shane Devon Tamura fatally shot four people, including an NYPD officer, in midtown Manhattan before killing himself, ...

Shane Tamura, who police said shot and killed four people in Manhattan, claims he had chronic traumatic encephalopathy.

The brain disease has most commonly been found in athletes in contact sports and others with a history of repeated brain ...

A three-page note was found in the wallet of the shooting suspect who opened fire in a midtown Manhattan office building, ...