AMANDA COX RETURNS TO THE UNITED STATES AFTER SPENDING FOUR YEARS IN AN ITALIAN PRISON.

Amanda Knox smiles while talking during a news conference held at the Seattle-Tacoma International Airport near Seattle, Washington on October 4, 2011. Knox arrived in the United States after departing Rome's Leonardo da Vinci airport,. Knox's life turned around dramatically Monday when an Italian appeals court threw out her conviction in the sexual assault and fatal stabbing of her British roommate. UPI Photo/Jim Bryant