The investigation papers into the Foreign Visa System (VLN) case do not contain the “micro-information” needed to prosecute other individuals, apart from former deputy prime minister Ahmad Zahid Hamidi.

The “micro-information” in question, according to former attorney-general Tommy Thomas, is the secret ledger of Ultra Kirana Sdn Bhd (UKSB), which contains code names and details of alleged payments of kickbacks made by the company to...