Lieutenant Mark Landahl Retires from the Frederick County Sheriff’s Office after 18 Years of Service

Lieutenant Mark Landahl, Ph.D., CEM® retires July 31st, 2019, after 23 years of combined government service, with the last 18 years as a member of the Frederick County Sheriff’s Office. He served in several capacities with the Frederick County Sheriff’s Office, including Homeland Security Commander. In that capacity, Lt. Landahl oversaw all hazards agency preparedness, prevention, protection and liaison to allied local, state and federal agencies. Prior to that assignment, he served as Supervisor of the agency’s School Resource Program, Supervisor of the Sheriff’s Office Homeland Security Section, and as…

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