Italy's top Court of Cassation put off its announcement of its decision on whether to definitively confirm their 2011 acquittals or throw out those verdicts and order what would be the their third trial until Tuesday morning at 10 a.m., The Associated Press reported.

In 2009, Knox and her former boyfriend Raffaele Sollecito were convicted and sentenced to about 25 years in prison for stabbing Meredith Kercher to death in 2007. Knox spent four years in jail before an appellate court overturned her murder conviction before returning back to her home Washington state in 2011.

Court Judges heard about six hours of arguments Monday before announcing the courts decision to announce its final verdict Tuesday morning, an unusual decision, as the Italian high court usually gives its rulings the day it hears arguments.

Prosecutors said they still believe Knox and Sollecito are responsible for Kercher’s death, arguing that the appellate court misjudged its decision when applying reasonable doubt to only specific parts of the case, and not the case as a whole, according to CNN.

"We are still convinced that they are the co-authors of Meredith's homicide," Italian news agency ANSA quoted Perugia, Italy, prosecutor Giovanni Galati as saying.

         ALSO: Amanda Knox Murder Conviction Overturned On Appeal

In Italy all criminal cases can be accepted for appeal after the lower court ruling, “and more than 50 percent of all appellate cases are amended on appeal, as in the Knox case. “ said the Daily Beast.

While only a small number of cases are amended again by the high court, it is still possible for the court to order a retrial.

If her acquittal is overturned, Knox might have to return to Italy and her case will go back to an appellate court. If she refuses to return, the Italian government could appeal to the U.S. government for her extradition, CNN reported.

However, U.S. officials might reject such a request because it violates the U.S. legal principle known as double jeopardy, where a criminal defendant cannot be tried twice for the same crime.

             ALSO: Is Amanda Knox Innocent?

Knox has spent the past year and a half attempting to live a normal life as a student at the University of Washington in Seattle, and her family said the appeal was not a huge cause for concern:

"The appeal of Amanda's acquittal by the prosecution was not unexpected as they had indicated from the day of the verdict that they would appeal," a family statement in February 2012 said.

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