concurring in the result.
As matters stand, I can’t tell whether the district judge found that there was not apprehension of such bodily harm as permits application of the compulsion defense, or whether he thought that mere apprehension of bodily harm cannot be a legal defense to a charge of escape, or whether he had still another reason for his judgment. The pertinent rule (Rule 23) provides that where required the district judge shall provide pertinent findings before the appellate judges consider whether there has been prejudicial error.