NEW : Prosecutor : The alleged attempt to bring cash into Italy was `` extremely sophisticated '' and the money is being laundered through a network of banks in Switzerland '' which are used by organized crime groups. The 3 arrests are not directly linked to a probe into the Vatican bank , he says . Rome ( CNN ) -- Pope Francis set up a papal commission this week to look at the bank 's activities .
NEW : Prosecutor : The alleged attempt to bring cash into Italy was `` extremely sophisticated '' and the money is being laundered through a network of banks in Switzerland '' which are used by organized crime groups. The 3 arrests are not directly linked to a probe into the Vatican bank , he says . Pope Francis set up a papal commission this week to look at the bank 's activities .