The pieces of evidence to be re-examined are a 12 inch butcher knife and Kercher's bra clasp.
From the abcnews.go.com
The only evidence against her and Sollecito was the now-discredited DNA on the knife and bra clasp.
From the independent.co.uk
They will take a second look at a knife and clasp from Kercher's bra, which was cut from her body after her murder.
From the cnn.com
The convictions of Knox and Sollecito depend on the claim that their DNA was found on the tip of a kitchen knife and the clasp of Meredith Kercher's bra.
From the independent.co.uk
Independent experts commissioned by the court have cast doubts on the original DNA analysis on a bra clasp and a kitchen knife that helped convict Knox and former boyfriend Raffaele Sollecito.
From the washingtonpost.com
In December 2010, the judge presiding over Knox and Sollecito's appeal ordered a re-examination of the DNA evidence pertaining to the knife and the bra clasp.