This is a hypothetical question that can happen in real world. A citizen of country "X" resides in the United States. US has a treaty with country X to extradite. Since the citizen is of country X, if a red corner notice is issued, will the US govt blindly throw the visa holder out by revoking the Visa status? Or the accused shall be given the opportunity to fight it by hiring lawyers here and proving his that his is putting effort of fighting the accusations in his home country through lawyers there.