Biography
James Satoru Sako resisted conscription while confined at Heart Mountain, arguing that his citizenship rights had not been clarified. He pleaded not guilty to failing to report for a pre-induction physical, was convicted, and was imprisoned at McNeil Island in 1944.
The prison admission records identify historical McNeil Island register 17063-M. The facility-arrival date is already documented; no additional custody interval is inferred. National Archives prison file.
Case
McNeil Island Federal Penitentiary