David Marriott never visited Amanda Knox during her four years in an Italian prison.
He met her this month, when she stepped off a plane in Seattle.
Yet for Knox and her family, Marriott was as important a player in her ordeal as anyone in the courtroom. As Knox’s publicist, beginning three days after her arrest, Marriott worked to convince the international public that she did not murder her British roommate while studying in Perugia.