Ledwell has served with the Frederick Police Department for 22 years.
He joined FPD in 1992, and since then has risen through the ranks from corporal, eventually making his way to Chief.
No explanation has been given for Ledwell's retirement.
According to the release, Ledwell plans to retire on September 23, 2014.
Copyright 2017 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.