Chicago Police Officers During The Chicago City Railway Strike Of 1903

Photo: Chicago History Museum/Archive Photos / Getty Images

New York City Police Officers Checking Out A Seven-Pound Automatic Rifle

Photo: Bettmann / Getty Images

NYC Motorcycle Officers Circa 1910, Wearing Newly Issued Revolver Holster Belts

Photo: George Rinhart/Corbis Historical / Getty Images

The First Female Traffic Officer In Washington, DC, Circa 1918

Photo: Universal History Archive / Getty Images

• A 1925 New York Police Officer Holding A Weaponized Baseball Bat With A Horseshoe Attached To It

  

  Photo: General Photographic Agency/Stringer / Hulton Archive/Getty Images

  • A New Jersey State Trooper On His Motorcycle In 1930

    

    Photo: Underwood Archives / Getty Images

  • A New York City Police Officer Next To His Motorcycle In 1938

    

    Photo: Jack Benton/Staff / Hulton Archive/Getty Images

  • A Georgia Police Officer On His Motorcycle, Circa 1942

    

    Photo: Hulton Archive/Stringer / Getty Images

  • A Police Officer Next To His Vehicle In 1932

    

    Photo: Afro Newspaper/Gado / Archive Photos/Getty Images

  • Police Officers Standing On A City Street, 1940s

    

    Photo: Carl Mydans/Contributor / The LIFE Picture Collection/Getty Images

  • Massachusetts Police Riot Squad During WWII Air Raid Drills In 1941

    

    Photo: Bettmann/Contributor / Getty Images

  • Mississippi Highway Patrol Prepare To Tear Gas A Civil Rights March In 1966

    

    Photo: Harry Benson/Stringer / Hulton Archive/Getty Images

  • Chicago Police Officers Patrol The 1968 Protests At The Democratic National Convention

    

    Photo: Miriam Bokser/Villon Films/Contributor / Archive Photos/Getty Images

  • In 1977, A Tennessee Officer Searches For James Earl Ray, Martin Luther King Jr.’s Killer

    

    Photo: Wally McNamee/Contributor / Corbis Historical/Getty Images

  • A 1978 Massachusetts Officer Uses His Cruiser Radio

    

    Photo: Spencer Grant/Contributor / Archive Photos/Getty Images

  • Motorcycle Policemen In Miami Take On Beach Patrol In 1990

    

    Photo: Barry Lewis/Contributor / Corbis Historical/Getty Images

  • An LAPD Officer In 1994

    

    Photo: Tim Graham/Contributor / Hulton Archive/Getty Images

  • Riot Police In Portland, Oregon, Monitor Antifa And Alt-Right Rallies In 2018

    

    Photo: Steve Dykes/Stringer / Getty Images News