NEW : Knox wo n't say whether Italy has requested extradition . Dan Abrams `` remains a prisoner in Italy , '' law professor says . Whatever happens , it wo n't happen soon , legal experts say . `` I will never willingly go back '' to the United States , The U.S. State Department says .
NEW : The U.S. State Department wo n't say whether Italy has requested extradition . Amanda Knox `` remains a prisoner in the United States , '' law professor says . Whatever happens , it wo n't happen soon , legal experts say . `` I will never willingly go back '' to Italy , Knox says .