Revealing mistake: When Claude and Ray are at the retirement home getting ready for bed, as Ray lifts up his shirt you will see where it looks like he's wearing a fat suit underneath. He can also be seen pulling it down to his waist.
Revealing mistake: In the scene where Claude and Ray are arguing about the loss of the appeal and Ray calls Claude "soft", watch as Claude swings the first punch of the fight, his fist misses Ray's face. This is even more obvious in slow motion.
Answer: Because he is gay. In the time this movie is set, being homosexual was not only an extreme moral and religious taboo, but it was illegal in most parts of the US. Biscuit is too ashamed of letting his mother find out about his relationship with Jangle Leg, so he runs, knowing the guards will shoot him dead.
roboc