Ex-Goldman Sachs banker Roger Ng leaves the federal court in New York May 6, 2019. — Reuters pic

KUALA LUMPUR, Sept 10 — Former banker Roger Ng has asked the Attorney General to review all four charges against him for allegedly abetting UK-based Goldman Sachs International in alleged criminal offences linked to the 2012 and 2013 sale of US$6.5 billion (RM27 billion) worth of 1Malaysia Development Berhad (1MDB) bonds.