> Or were they always in the same stalls? If the latter, it could just be that he knows he can open some stalls more readily than others. That wouldn't account

> Or were they always in the same stalls? If the latter, it could just be that he knows he can open some stalls more readily than others. That wouldn't account for it, since he changed who he'd let out based on his personal relationship with the individual in the stall.