The government’s refusal to disclose the findings of investigations against the MACC risks further eroding public confidence in the country’s criminal justice system, said the Center to Combat Corruption and Cronyism (C4 Center) and Bersih.

The two groups expressed disappointment with Putrajaya’s handling of the probe into former MACC chief commissioner Azam Baki’s shareholding controversy, as well as allegations of a “corporate mafia” operating in collusion with the anti-graft agency.

“The government’s insistence...