The US Government says its informants have told it that Mr Arnaout also handled money for Bin Laden.

BBC: US Muslim charity head arrested

One of those inmates is Enaam Arnaout, a Syrian-born U.S. citizen serving a 10-year sentence for diverting Muslim charity money to militant Islamic groups in Bosnia and Chechnya.

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Mr Arnaout is also said to have allowed one of Bin Laden's wives stay at his apartment in Pakistan, which the government says proves that Bin Laden trusted him.

BBC: US Muslim charity head arrested