AMRIN Naim, 65, the prosecutor involved in the murder case of Udin, felt uncertain once because he was assigned to prepare two opposing charges against Dwi Sumaji alias Iwik. One charge was to find him guilty, the other was to set him free. Because I was instructed to do so, I went ahead and did it, explained Amrin, when Tempo reporter Heru C. Nugroho met him two weeks ago. Amrin is now retired and living in Klaten, Central Java. He recalls how h