In this 2015 photo, then-school resource officer Scot Peterson spoke at a school board meeting of Broward County in Florida. Peterson was arrested on Tuesday and faces 11 charges in the wake of the Marjory Stoneman Douglas High School shooting.

In this 2015 photo, then-school resource officer Scot Peterson spoke at a school board meeting of Broward County in Florida. Peterson was arrested on Tuesday and faces 11 charges in the wake of the Marjory Stoneman Douglas High School shootin