‘Study my brain,’ the shooter said in a note found in his wallet that claimed he had chronic traumatic encephalopathy.

Detectives still trying to determine motive in attack that killed four in Manhattan on Monday

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

Shane Tamura said he had CTE. His claim, which is unproven, has again put a spotlight on the NFL's troubling history with its players and the disease.

From symptoms to the illness' risk factors — here’s what you need to know about the disease, which can only be detected by autopsy.

‘Study my brain,’ the shooter said in a note found in his wallet that claimed he had chronic traumatic encephalopathy.

Information that the killer carried in a note referring to the degenerative brain disease CTE offered a possible motive for the Monday shootings at offices used by the National…

This tragedy was about more than one man’s pain. It was about how football glorifies suffering and how America ignores mental health while arming the broken

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