take a lock. >> prior to the forensic investigation and everything really, your intuition or detective knowledge led you to amanda knox rafael? >> translator: after the first few weeks, we were convinced because of the behavior of the two people and especially amanda that they were both involved in the crime. >> you were fixated according to the defense on amanda knox and rafael and kept imagining new scenarios that made these two people guilty. >> translator: no. absolutely not. i did what i did because i was convinced given the evidence that had been gathered that they were responsible. i am absolutely convinced. >> so drew i hope you can hear and i know it's loud here, but give us more context.