Chief of Internal Security Tomlinson and a group of his police staff demonstrating their new identifying arm bands, which in their design also denote the rank of the wearer. Arm bands shown are, left to right, Patrolman, Desk Sergeant, Sergeant, Lieutenant, Captain, and Chief.

Photographer: Parker, Tom
Amache, CO. 12/08/1942

Source: War Relocation Authority Photographs of Japanese-American Evacuation and Resettlement, WRA no. E-545, The Bancroft Library, University of California, Berkeley.