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.

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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