Football star Aaron Hernandez went from the bright lights of the Super Bowl to a convicted murderer in a few years. The Boston Globe’s Spotlight Team, best known for its investigation of the sexual abuse scandal inside the Catholic Church, takes a hard look at the crisis facing football through the lens of Aaron Hernandez’s life and terrible crimes. Did a brain badly damaged by football contribute to Hernandez’s violent behavior? Did he keep secrets about his sexuality that collided with a...