Bassem Masri was one of several Ferguson demonstrators to die at a relatively young age in recent years.
My grandfather grew up just miles from where Rice died and had the same last name. Tracing their ties took me to Valdosta, Georgia, and a new lynching memorial in Montgomery, Alabama, seeking answers.
Roberson's death has drawn widespread outrage, as the Chicago-area security guard was shot by police while detaining an attempted shooter.