His law enforcement career includes assignments in patrol, traffic, disciplinary unit, training academy, homicide branch lieutenant and commander, commander of criminal investigations, and assistant chief of the Professional Development Bureau. During his tenure with the Homicide Unit, he led its members to superior performance in attaining over a 70% closure rate. He has served on various review boards and assisted in new policy review, analysis, and implementation. Mr. Parks has led new projects designed to improve and enhance the administration and operation of the department. Many of his assignments required coordination and collaboration with outside law enforcement and community partners, to include working a dual role as interim Chief of the D.C. Protective Services Division to provide assessment and recommendations to the City Administrator.
Following his retirement, Mr. Parks currently works as an adjunct professor with Penn State Public Safety & Justice Institute, University of the District of Columbia, and an instructor with the BenchMark Professional Seminar Company. Mr. Parks serves as Academic Director for the Georgetown Forensic Institute Summer Camp and Summer Discovery Program for middle and high school students. Mr. Parks has a Bachelor’s and Master’s degree in Management from Johns Hopkins University. He is also a graduate of the 201st Session of the F.B.I. National Academy.