Vecchiotti and Conti also said there was no evidence the knife had been `` thoroughly washed , '' as prosecutors argued during the trial . NEW : A police forensic expert testifies about techniques used in initial DNA testing . NEW : Curt Knox says his daughter is ` ` anxious ... looking forward to a trial '' Victim 's sister says Amanda Knox has been forgotten in the ` ` media frenzy '' Amanda Knox was convicted of killing roommate ##s in 2009 and sentenced to 26 years .
NEW : A police forensic expert testifies about techniques used in initial DNA testing . NEW : Curt Knox says his daughter is ` ` anxious ... looking forward to a trial '' Victim 's sister says Amanda Knox has been forgotten in the ` ` media frenzy '' Amanda Knox was convicted of killing roommate ##s in 2009 and sentenced to 26 years .