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
Police vehicles in the United States and Canada Months after the Sedan was unveiled a prototype Ford Police Interceptor Utility based on the fifth generation Ford Explorer was unveiled at Ford's Chicago plant in front of its work force by then VP of U.S. Marketing, Sales and Service Ken Czubay. The production of the Police Interceptor Sedan began in 2012 as a 2013 model along with the Utility counterpart. The Dodge Charger Pursuit, was first introduced as an LX body in 2006. In 2011, as an LD body, numerous changes were made to resolve a number of teething issues in previous cars. The 3.6 V-6 engine provides performance