NFL Office Shooter Had Low-Level CTE, NYC Medical Examiner Finds

Shane Tamura, who carried out a fatal shooting attack at a Manhattan office tower housing the National Football League, showed evidence of early-stage degenerative brain disease tied to repeated blows to the head, according to New York City’s chief medical examiner.

The shooter had left a note at the crime scene accusing the NFL of abandoning players with head injuries and asked that his brain be examined for chronic traumatic encephalopathy. A postmortem examination found evidence of low-stage CTE in Tamura’s brain.

“The science around this condition continues to evolve, and the physical and mental manifestations of CTE remain under ...