Employment with the Davidson County Sheriff's Office provides each employee with an opportunity to serve the citizens of the County, as well as the hundreds of thousands that visit Davidson County yearly. Ensuring that only the best wear the badge of the Sheriff's Office is the responsibility of the Professional Standards Unit. Lieutenant M. Barnes receive hundreds of applications, and each must be evaluated closely. In addition to the hiring process, Lieutenant Barnes make sure that each employee has the proper, required training and updated information to perform their assigned tasks to the best of their ability. Lieutenant Barnes is also responsible for all internal investigations.