KUALA LUMPUR: Riza Shahriz Abdul Aziz, who is the stepson of former Prime Minister Datuk Seri Najib Tun Razak, has filed a representation to the Attorney-General’s Chambers (AGC) for a review of the money laundering charges, involving US$248 million (RM1.25 billion) which was allegedly misappropriated from 1Malaysia Development Berhad (1MDB), against him.