Source:
The ObserverAmanda Knox's appeal against her conviction for the murder of British student Meredith Kercher in Italy faces a fresh challenge. A prominent forensic scientist, whose DNA evidence helped to convict the US student and her former boyfriend, has vowed to overturn the findings of an independent report that says much of her work in the case was unreliable.
Knox returns to court in Perugiaon Monday, armed with the new forensic report, which she hopes will help lead to her being freed.
Kercher was found with her throat slit in the Perugia apartment she shared with Knox in 2007. Knox and her former boyfriend, Raffaele Sollecito, were sentenced to 26 and 25 years respectively in 2009 for the murder. A third suspect, Rudy Guede, had already been convicted for his role in the killing.
Written by two independent experts from Rome's Sapienza University, the 145-page DNA review rubbishes the work of Patrizia Stefanoni, the police forensic scientist who found Knox's and Kercher's DNA on a kitchen knife at Sollecito's house and identified DNA belonging to Sollecito on a torn bra clasp found beside Kercher's semi-naked body.
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http://www.guardian.co.uk/world/2011/jul/24/amanda-knox-dna-appeal-threat