18-year-old charged in fatal shooting of Chicago police officer - ABC News
Oxnard Police Dept. on Twitter
Vintage London, Ontario - The new police uniform is worn by Constable Fred Hart. Gone are the old-fashioned choker collars and the officers will be cool and comfortable in this military style
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Vintage policeman hi-res stock photography and images - Alamy
University Police circa 1940 | Police uniforms, Police, Century uniforms
Village Police Department - Village of Old Brookville
File:Old Plymouth police car in Portland, Oregon.jpg - Wikimedia Commons
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93,920 Vintage Police Photos and Premium High Res Pictures - Getty Images