Lieutenant Littleton has served the Birmingham Police Department for over 16 years, starting his career in 2007. After completing the Academy, he began at East Precinct as a Patrol Officer. Soon afterward, he was assigned to the Precinct Task Force. After ten years of serving in a patrol capacity, he was assigned to the Special Victims Unit as a detective.
In 2019, he was promoted to the rank of Sergeant, and over the next three years, he supervised personnel at North Precinct before becoming an investigator in the Internal Affairs Division. He was promoted to the rank of Lieutenant in 2022. He was assigned to the Investigative Bureau as the Executive Assistant to the Deputy Chief of Investigations and then to North Precinct, where he currently serves as a Shift Commander.