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 . and we wo n't return someone for murder ? '' TL;DR Italian prosecutors have asked for an arrest warrant to extradite Raffaele Sollecito from the U.S., where he is serving life sentence on murder and kidnapping charges. `` I will never willingly go back '' to Italy , Knox 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 . TL;DR Italian prosecutors have asked for an arrest warrant to extradite Raffaele Sollecito from the U.S., where he is serving life sentence on murder and kidnapping charges. `` I will never willingly go back '' to Italy , Knox says .