Jakarta. In a very rare case, the Corruption Eradication Commission or KPK announced on Thursday it has arrested its own investigator for allegedly taking bribe.

Stepanus Robin Pattuju was named suspect on charge of accepting bribe from a mayor in North Sumatra who was facing prosecution for a separate corruption case.

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Stepanus, a middle-ranking police officer hired by the KPK, allegedly accepted Rp 1.3 billion ($89,500) from Tanjungbalai Mayor M Syahrial, who came to him asking help to drop a corruption case at the city government,