THE two-story European classic-style house in Taman Pondok Legi IV Blok H/20, Pepelegi, Sidoarjo, East Java, looked dirty. Dust covered the door and window frames. This was the house of Siswanto, cleaning crew at Dinoyo Tax Service office, Surabaya. Since the owner was detained at the Surabaya Police Headquarters two months ago for his involvement in the tax mafia, the type-45 house has more often than not been empty.

When Tempo knocked on the 2-