Amanda Knox comes home to America

Amanda Knox gestures at a news conference in Seattle Tuesday, Oct. 4, 2011, after returning home from Italy. Knox was freed Monday after an Italian appeals court threw out her murder conviction for the death of her British roommate, Meredith Kercher.

Amanda Knox, left, is comforted by her sister, Deanna Knox, during a news conference shortly after her arrival at Seattle-Tacoma International Airport Tuesday, Oct. 4, 2011, in Seattle. Knox was freed Monday after an Italian appeals court threw out her murder conviction for the death of her British roommate, Meredith Kercher.

Amanda Knox, right, is comforted by her mother, Edda Mellas, as she begins to cry during a brief news conference shortly after her arrival at Seattle-Tacoma International Airport Tuesday, Oct. 4, 2011, in Seattle. It's been four years since the University of Washington student left for the study abroad program in Perugia and landed in prison. The group Friends of Amanda Knox and others have been awaiting her return since an Italian appeals court on Monday overturned her conviction of sexually assaulting and killing her British roommate, Meredith Kercher.

Amanda Knox, right, is offered water by her father Curt Knox as her mother, Edda Mellas looks on as they wait to talk to reporters, Tuesday, Oct. 4, 2011, in Seattle. Knox was freed Monday after an Italian appeals court threw out her murder conviction for the death of her British roommate, Meredith Kercher.

A "welcome home" sign is posted at a record store for the expected arrival later in the day to the West Seattle neighborhood of Amanda Knox, Tuesday, Oct. 4, 2011, in Seattle. It's been four years since the University of Washington student left for the study abroad program in Perugia and landed in prison. The group Friends of Amanda Knox and others have been awaiting her return since an Italian appeals court on Monday overturned her conviction of sexually assaulting and killing her British roommate.

As her father Curt Knox, left, looks on, Amanda Knox briefly addresses a news conference shortly after her arrival at Seattle-Tacoma International Airport Tuesday, Oct. 4, 2011, in Seattle. It's been four years since the University of Washington student left for the study abroad program in Perugia and landed in prison. The group Friends of Amanda Knox and others have been awaiting her return since an Italian appeals court on Monday overturned her conviction of sexually assaulting and killing her British roommate, Meredith Kercher.

Amanda Knox, right, sits with her sister Deanna Knox, right, and her mother, Edda Mellas, left, as they wait to talk to reporters, Tuesday, Oct. 4, 2011, in Seattle. Knox was freed Monday after an Italian appeals court threw out her murder conviction for the death of her British roommate, Meredith Kercher.

A "welcome home" sign is posted at the home of Curt Knox for his daughter Amanda Knox on her expected arrival later in the day Tuesday, Oct. 4, 2011, in Seattle. It's been four years since the University of Washington student left for the study abroad program in Perugia and landed in prison. The group Friends of Amanda Knox and others have been awaiting her return since an Italian appeals court on Monday overturned her conviction of sexually assaulting and killing her British roommate.

Amanda Knox, left, is comforted by her sister, Deanna Knox, during a news conference shortly after her arrival at Seattle-Tacoma International Airport Tuesday, Oct. 4, 2011, in Seattle. It's been four years since the University of Washington student left for the study abroad program in Perugia and landed in prison. The group Friends of Amanda Knox and others have been awaiting her return since an Italian appeals court on Monday overturned her conviction of sexually assaulting and killing her British roommate, Meredith Kercher.

Amanda Knox, right, arrives from Rome with family members at Heathrow Airport London, Tuesday, Oct. 4, 2011. Amanda Knox headed home to the United States a free woman Tuesday, after an Italian appeals court dramatically overturned the American student's conviction of sexually assaulting and brutally slaying her British roommate.

Amanda Knox's father, Curt Knox, left, talks to reporters as her mother, Edda Mellas, looks on at right, Tuesday, Oct. 4, 2011, in Seattle. Amanda Knox was freed Monday after an Italian appeals court threw out her murder conviction for the death of her British roommate, Meredith Kercher.

Amanda Knox, right, is cheered by family friend Dave Marriott as she arrives for a news conference shortly after her arrival at Seattle-Tacoma International Airport Tuesday, Oct. 4, 2011, in Seattle. It's been four years since the University of Washington student left for the study abroad program in Perugia and landed in prison. The group Friends of Amanda Knox and others have been awaiting her return since an Italian appeals court on Monday overturned her conviction of sexually assaulting and killing her British roommate, Meredith Kercher.

Amanda Knox motions as she describes flying home during a news conference shortly after her arrival at Seattle-Tacoma International Airport Tuesday, Oct. 4, 2011, in Seattle. Knox was freed Monday after an Italian appeals court threw out her murder conviction for the death of her British roommate, Meredith Kercher.