The first of the charges to be levelled at it is the pace at which it limps along: the accused were in prison for a year before the first proceedings began. The appeal took 11 months but consisted of only 20 sittings. This alone hands a weighty power of incarceration to investigating magistrates. It is all too open to question whether Giuliano Mignini, who is himself appealing against a 16-month sentence for abuse of office and who believes he too is a victim of a conspiracy from his investigation of earlier high-profile cases, was the right man to investigate this case.
The appeal itself hinged on the trustworthiness of the forensic evidence against Knox and Sollecito. The bra clasp which tested positive for Sollecito's DNA was not discovered until 47 days after the murder took place. Videos show how investigators passed it around with contaminated gloves. Evidence central to the prosecution's case could easily have become contaminated. The professionalism of the forensic team left much to be desired.
Read MORE : http://www.guardian.co.uk/commentisfree/2011/oct/04/kercher-murder-revolving-door