The closing of a case earlier this week by attorney-general Abdul Gani Patail over allegedly false statements by a private investigator that tied Prime Minister Najib Tun Razak to the 2006 murder of Mongolian translator Altantuya Shaariibuu literally lets unknown persons close to the prime minister get away with murder.

The closure of the case appears to write the final chapter in one of Malaysia's most sensational murder cases, one involving a gruesome death, intrigue in high places, more than 100 million euros in alleged bribes and a trial that appeared to be rigged to keep prosecutors as far as possible away from Najib, then the deputy prime minister, and his wife, Rosmah Mansor...