TODAY   |  March 27, 2013

Prosecutors raise 16 errors in Amanda Knox case

As more information comes out about the rationale for overturning Amanda Knox’s acquittal in the murder of her roommate, Meredith Kercher, legal experts are saying it is unlikely Knox will be extradited to Italy for a new trial. NBC’s Michelle Kosinski reports.

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>>> we have new information on the legal drama facing amanda knox in the wake of italy 's supreme court decision to order a new murder trial. will she have to return there? nbc's michelle kosinski 's in rome. good morning to you.

>> reporter: hi, matt. it has been confusing, but italy has no power to compel amanda knox back here for trial. in fact, if she arrived here today, she would not be arrested. if she were convicted, italy could ask the u.s. to extradite her. but legal experts don't think the u.s. would. they've refused in other cases here.

>> this is itv news --

>> american student --

>> amanda knox is again in global headlines. for a court ruling it seemed no one thought possible.

>> it's a shocking decision.

>> reporter: she and her ex-boyfriend will face trial again for the 2007 murder of amanda 's roommate, meredith kercher . now within three months the supreme court must explain why it accepted prosecutors' challenge that amanda 's and rafaeli's acquittal that plasted the prosecution case. prosecutors raised what they called 16 errors by the court saying evidence was basically brushed aside. d dna, witness statements. once they explain the reasoning, that will shape the trial, whether there might be retesting of old evidence.

>> i'm sure it will be more difficult now to defend amanda .

>> reporter: for computer science student rafaeli, conviction would likely mean back to prison. he said in a statement he is "dentally saddened." but is conviction possible now.

>> there is a realistic chance they could be convicted. now nthey have an uphill climb. much negative evidence that was explored overseas will be reconsidered.

>> reporter: even if convicted, amanda will likely stay in the u.s. though she would not be able to return here, to the country she still wanted to see again one day. now this new trial isn't expected to start until next year at the earliest. the verdict possibly not until 2016 . matt?

>> all right, michelle kozinski in