FILE - This April 4, 2016 file photo shows Maltese investigative journalist Daphne Caruana Galizia, who was killed by a car bomb in Malta on Oct. 16, 2017. Maltese authorities say a man arrested in a money-laundering case claims to have information identifying the mastermind behind the assassination of Daphne Caruana Galizia. (AP Photo/Jon Borg, File)