Italy’s highest court on Thursday confirmed a slander conviction against U.S. defendant Amanda Knox for accusing an innocent man of murdering her British flatmate 17 years ago in a sensational case that polarized trial watchers on both sides of the Atlantic.

Amanda Knox, a former American exchange student, had been cleared of all other charges related to the death of her roommate in Italy 17 years ago.

The 37-year-old was fighting to clear her name after being convicted of falsely accusing a Congolese bar owner of murdering her British roommate in 2007.

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.