Italy’s highest court has acquitted Amanda Knox and Raffaele Sollecito – but the mystery that has long surrounded Meredith Kercher’s death remainsThe headline in Saturday’s Italian daily newspaper, La Repubblica, seemed to sum it all up: “A surprise ending to the never-ending trial, but that night remains a mystery.”When prosecutor Mario Pinelli wrapped up his case against Amanda Knox and Raffaele Sollecito last week, he said it was the evidence of Meredith Kercher herself – her body, which had been constrained, sexually assaulted and stabbed multiple times – that proved that three people were involved in her murder.