Italy’s highest court on Thursday confirmed a slander conviction against U.S. defendant Amanda Knox for accusing an innocent man in her British flatmate’s 2007 murder, a sensational case that polarized trial watchers on both sides of the Altlantic.

Italy’s high court has upheld the remaining conviction against American Amanda Knox, who was jailed and later acquitted of the 2007 murder of her British roommate Meredith Kercher.