[7] In 1918, the Alexandria Police Department founded the Motor Unit with the purchase of one Harley-Davidson motorcycle for use in answering emergency calls.

[9] In November 2011, construction was completed on their current headquarters in the West End section of Alexandria, on Wheeler Avenue immediately south of Duke Street.

[11] On January 16 Michael L. Brown, former Chief of Police for the California Highway Patrol was announced as the successor to Earl Cook.

[14] On December 10th, The City of Alexandria's new Police Chief, Tarrick McGuire was officially sworn in.

Officers from both Alexandria and the United States Capitol Police shot and killed James Hodgkinson after a 10-minute gun battle with the assailant, an event that became known as the Congressional baseball shooting.

[19] The Medal of Valor is the highest decoration for bravery exhibited by public safety officers in the United States.