Amanda Marie Knox (born July 9, 1987) is an American woman who was accused of the murder of Meredith Kercher in Perugia, Umbria, Italy. She served four years of a 26-year sentence before the murder conviction was overturned on October 3, 2011. Raffaele Sollecito, Knox's boyfriend at the time of the murder, was also accused of the murder and had his conviction overturned on appeal. The jury upheld Knox's calunnia conviction for falsely implicating bar owner Patrick Lumumba. For this Knox was sentenced to three years in prison, which she had already served, and was ordered to pay Lumumba's court costs of about 22,000 euros.
In 2007 Knox moved to Perugia, Italy, to study Italian, German, and creative writing at the University for Foreigners for one year. She shared a house with Meredith Kercher, a student from England, as well as two Italian women. In mid-October 2007 she began a romantic relationship with an Italian engineering student, Raffaele Sollecito, from Bari, Apulia.
On November 1, 2007, Meredith Kercher was murdered in the apartment she shared with Knox. On November 6, 2007, Knox was arrested by the Italian police and, along with Sollecito, charged with the murder of Kercher. During the subsequent four-year trial and appeal process she was held under cautionary detention (carcerazione preventiva) at the Capanne prison in Perugia. In 2009, Knox and Sollecito were convicted of sexual assault, murder and simulating a burglary at the first level (primo grado) of trial. However, according to Italian law, she would not be considered guilty until the verdict was confirmed by higher courts. During her appeal at the second level (secondo grado) of trial, which concluded on October 3, 2011, the original conviction was overturned, she was found innocent of the murder and she was released from prison.