The Justice Department is urging the administrator of the $20 billion fund for Gulf oil spill claims to show greater transparency about the process so the victims can feel they are being treated fairly.. Associate Attorney General Thomas J. Perrelli said in a letter to Ken Feinberg on Friday night that this is a critical time for the claims fund as it transitions from initial emergency payments to paying interim and final claims.. Perrelli says he continues to have concerns about the pace of the claims process..