巣鴨拘置所
During late 1944, government prosecutors examined Sasaki and Bishop of South Tokyo Todomu Sugai, on numerous occasions; military police detaining them for extended periods at Sugamo Prison. Reports of torture at the hands of the military police at Sugamo Prison are also recorded. On their release on the 16th June 1945, both men were found malnourished and in poor health from their confinement, neither being able to walk without assistance.