class-B and class-C war criminals
Historical term for lower-ranked war criminals tried after World War II, as distinct from Class-A (crimes against peace).
Among those tried as class-B and class-C war criminals were soldiers who had merely followed orders.
Compound of B (ビー) and C (シー) from the Allied classification of war criminals, plus 級 (class) and 戦犯 (war criminal).