The gunman who killed 4 people in a NYC office building in July had #CTE, the degenerative #BrainDisease linked to repeated #HeadInjuries sustained in #football & other contact sports….
CTE can be diagnosed only posthumously. Shane Tamura,…a former HS #football player, shot himself in the chest after killing 4 people & left a note that said his motive was anger at the #NFL, which he blamed for hiding the effects of CTE In the note, he asked that his brain be studied.