FOUR investigators returned empty-handed. On Thursday last week, they failed to extract information from former head of the National Police Criminal Detective Agency Susno Duadji, detained in the Mobile Brigade HQ, Kelapa Dua, Depok. Appearing in a batik shirt, Susno made a direct refusal as he realized he was going to be examined. “Pak Susno is still bound by an accord with the Witness & Victim Protection Institute,” said Henry Yosodiningrat