Paris, Tenn.—Paris Patrol Officer Amber Roaten shows fourth graders at Paris Elementary School how the speed gun works during a presentation by she and Sgt. Eddie Crosser, who is the School Resource Officer. They presented the program to help students in Teachers Heather Bastyr and Jane Fiscus’s classrooms understand how officers calculate speed. Students in the science classes could better understand the relationship between speed and energy after the presentation. (Paris Elementary photo).