Pittsburgh Police hats with checkered bands, which are dark navy blue and gold in color, popularly known as the "Sillitoe Tartan" and named after its originator, Percy J. Sillitoe, Chief Constable of Glasgow, Scotland, in the 1930s. While the checkered band is a common police symbol in the United Kingdom, Australia and some European countries, the Chicago Police Department, Cook County Sheriff's Police, the Allegheny County Sheriff's Office, and the Pittsburgh Bureau of Police are the only police forces in the United States that have adopted it as part of their uniforms. As recently as July 1930, police were required to wear
Chief of police Chief of police A chief of police is the title given to an appointed official or an elected one in the chain of command of a police department, particularly in North America. A chief of police may also be known as a police chief or sometimes just a chief, while some countries favour other titles such as commissioner or chief constable. A police chief is appointed by and answerable to a national or local government, with the main exception being elected sheriffs in the United States. In the United Kingdom, the chief police officer for 43 of the 45 territorial