A U.S. citizen detained in Honolulu and facing extradition to Tonga where he’s accused of beating his wife to death has asked the U.S. government to return cash he had amassed from other countries including Canada and New Zealand. The various denominations of currency from Tonga, Canada, New Zealand, Australia and the United States are the “only means that Mr. Fletcher has to hire an attorney and mount any meaningful defense to the charges in Tonga,” Assistant Federal Defender Melinda Yamaga said in the motion.