The definitive acquittal of Miss Knox and her former boyfriend, who had known each other for just a few days when they were accused of the killing, marked the end of nearly a decade of investigation into what really happened on the night of November 1, 2007, when Ms Kercher, 21, ended up lying in a pool of her own blood at the house she shared with Ms Knox in the university town of Perugia, north of Rome.

The definitive acquittal of Miss Knox and her former boyfriend, who had known each other for just a few days when they were accused of the killing, marked the end of nearly a decade of investigation into what really happened on the night of November 1, 2007, when Ms Kercher, 21, ended up lying in a pool of her own blood at the house she shared with Ms Knox in the university town of Perugia, north of Rome.