Three years ago, when the police disrupted the Malaysian Anti-Corruption Commission (MACC) probe on SRC International, its senior officer Bahri Mohd Zin had vowed to “find the culprits responsible till kingdom come.”

His officers, who were part of the investigating team, were picked up, their office ransacked and the commission’s deputy public prosecutor remanded by the police.

Bahri along with another senior officer, Rohaizad Yaakob, were later transferred out of the MACC and placed at the Prime Minister's Department, much like former Special Branch deputy director Abdul Hamid Bador...