U.S. flag

An official website of the United States government, Department of Justice.

Mark Landahl

Portrait of Mark Landahl
Sergeant; 2014 NIJ LEADS Law Enforcement Officer
Frederick County Sheriff's Office

Frederick, MD

Sergeant Mark Landahl, Ph.D., serves as the Supervisor of the School Resource Unit within the Homeland Security Section of the Frederick County (MD) Sheriff's Office. The 13 Deputies of the School Resource Unit provide law enforcement services to the more than 46,000 students and staff in 67 schools in the 664 square miles of Frederick County. Participation in the NIJ LEADS program provided access to law enforcement experts dealing with the latest challenges in the field and access to evidence-based practices in school-based policing that helped to improve service delivery in Frederick County.

Date Created: July 17, 2014