Doctor: Ex-NFL player had CTE injury before killing 6 in SC
Scientists will study brain of former NFL player who police say killed five people then took his own life
The Sinister Story of Phillip Adams
Football Players Diagnosed with CTE, the Brain Disease
Ex-NFL Player's Brain to be Probed for CTE Following Mass Shooting
Football City, USA' killings raise sport safety concerns
Former NFL Player Phillip Adams Suffered 'Severe' CTE
Severe Stage 2 CTE Could Have Played A Role In NFL's Phillip Adams Killing 6 And Himself
AP source: NFL player Phillip Adams killed 5, then himself
Former NFL player Phillip Adams had unusually severe CTE
Phillip Adams' Family Said He Sought Help From NFL for CTE But Was Denied Before Shooting