John E. Grimes III has over 45 years of progressive law enforcement, criminal investigation, fraud examination, loss prevention, leadership, and teaching experience. He began his career with the Baltimore City Police Department where he became a detective in the Criminal Investigation Division (CID). He left Baltimore and became a special agent with the newly created Amtrak Police Department Fraud and Organized Crime Unit. He was then promoted to captain of the CID. In 1993, Mr. Grimes joined the Amtrak Office of Inspector General/Office of Investigations. He was appointed chief inspector in 1999 and retired from service in 2011.