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Unfortunately there's not a lot that you can do. The statute of limitations doesn't apply, because the statute of limitations only requires that the state charge him within a certain period of time, which they have already done. Iowa has obviously chosen not to spend the money to extradite him. And Iowa can't do anything without him being present in court. So all he can do at this point is wait to be released at which time he can turn himself into Iowa on the warrant. Unfortunately, there's nothing else that can be done unitl he is released.