Shane Tamura is not the first former football player to shoot himself in the chest and request that his brain be examined.

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.

What to know about NYC gunman's football connection, which he mentioned in a note left behind after a deadly shooting where the NFL is headquartered.

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

Shane Tamura is not the first former football player to shoot himself in the chest and request that his brain be examined.

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.