The large conference room on the third floor of the Corruption Eradication Commission (KPK) headquarters became a pulpit for respected lawyer Adnan Buyung Nasuntion last Thursday. He was there to urge the KPK to fill in the gaps in the police’s investigation of the Gayus Halomoan Tambunan tax mafia case. Before the assembled leaders and investigators of the KPK, Buyung detailed the shortcomings of the investigation conducted by National Police