Spoiler for season 3 of GOT:

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>  I realise this is different from the books (which I haven't read), but why is Jamie Lannister's hand cut off? Surely Lord Bolton's henchman who does it knows that Bolton is actually plotting with the Lannisters, so he knows he is mutilating an important member of the King's family; the King that is most likely to win the war once Bolton's betrayal occurs. Why does he do it and why is he not punished by Bolton for doing so once he hands Jamie over to him? Bolton seems most concerned that Tywin Lannister know he did not do the deed, but doesn't seem to be too fussed about the fact that it was still done by a soldier under his command, a soldier he barely reprimands let alone punishes?
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