Knox appeal: Expert denies flawed methods

As Amanda Knox's appeal continues, a forensics expert who conducted the original investigation defended herself against accusations that her methods were flawed. Terrell Brown reports.

• #news_politics
• #cbsepisode
• #the
• #early
• #show
• #amanda
• #knox
• #appeal
• #case
• #trial
• #murder
• #italy
• #defense
• #forensics
• #deny
• #flaw
• #cbs