In the courtroom, Dalla Vedova also lashed out the prosecution's demand that Knox be sentenced to life in prison.
"Remember," Dalla Vedova said, "that life in prison is the most severe punishment in our country. There is nothing worse that what the prosecutor has asked for Amanda."
But with the long trial coming to an end, he said, "Doubt remains in this trial today, and a young girl is waiting to be judged."
"The truth comes out in a trial, and we have been waiting for this moment with patience," he said. "Especially Amanda Knox, who has been waiting in jail with great patience and determination, waiting to get her life back.
The jury is expected to get the case Friday.