HATTIESBURG — Mississippi has one of the nation’s lowest percentages of traffic deaths tied to speeding, yet sheriffs say they need radar guns — a tool currently banned for county law enforcement — to help curb dangerous driving on rural roads. Forrest County Sheriff Charles Sims and the Mississippi Sheriffs Association argue radar would give deputies a critical enforcement tool. How radar use is restrictedCurrently, Mississippi law prohibits radar use by sheriff’s deputies. Crystal Walker said she often sees drivers speeding near schools and major intersections. She said expanding radar use to sheriffs departments would act as a deterrent, making drivers think twice before speeding on county roads.