[Diana Ross Fan]

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here's a what if situation.... What if the person turned their cards up, and was on an absolute steal and got busted. How do we disprove the collusion? If the hand is dead, then the chip dumping happens, and cannot be stopped(unless you arbitrarily decide that the player was on a "legitimate steal attempt" and was not chip dumping).

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I don't quite understand the situation. I don't think that you can ever "prove" collusion. You can only shine the light on it and make threats to deter it.

Ok, there might be a few constructed situations where it could be proven (one ratting out the other). But usually collusion is undectable, often identical to sharp poker play, and it can always be explained away.