AMERICAN student Amanda Knox received a major boost in the appeal of her Italian murder conviction when independent analysts rejected the prosecution’s claims of finding DNA on two crucial pieces of evidence used to convict Knox of killing her roommate.

Forensic scientists who helped convict Amanda Knox of the murder of British student Meredith Kercher made a series of glaring errors, experts claimed today.

Some of the DNA traces used to convict American student Amanda Knox of murdering Briton Meredith Kercher may have been contaminated, independent experts say.

Amanda Knox saw her hopes of freedom delayed further today as experts were granted three months to review crucial evidence used to convict her for the murder of British student Meredith Kercher.