Investigators have identified a group of at least three Maltese nationals who they believe masterminded the killing of anti-corruption journalist Daphne Caruana Galizia 13 months ago, The Sunday Times of Malta reported on Sunday.
It did not reveal their names, but quoted high-ranking officers leading the murder probe as saying that their investigation was at a "very advanced stage."
There was no immediate comment from the police on the press report.
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