"Examining the Link Between Lewiston Mass Shooter's Brain and CTE"

TL;DR
Tissue samples from the brain of the Lewiston mass shooter, who killed 18 people in Maine, have been sent for testing for chronic traumatic encephalopathy (CTE). Robert Card, a US Army reservist and certified firearms instructor, had a history of military experience and had been ordered to undergo a psychiatric evaluation prior to the shooting. CTE is a neurological disorder caused by repeated blows to the head and can only be diagnosed after death. Results from the tests are expected in six to eight months.
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