mignini knows all too well. the prosecutor who repeatedly told us he has nothing to be nervous about is again on the defensive. already found guilty of abuse of his office in the monster of florence case, he is now being accused of harassing journalists who criticize his investigation against amanda knox. last month, the international committee to protect journalists sent a scathing letter to the president italy, complaining about mignini's tactics saying in part, it is unacceptable journalists, bloggers, writers on both sides of the atlantic sudden censor themselves by staying away from subjects of public interests such as the meredith kimpber case and monster of florence killing because of prosecutor migninin's inability to tolerate the scrutiny that comes with public office. >> reporter: do you have any doubt, any doubt in your mind that you convicted the wrong