NOT even a mosquito could slip through. This was how tight security was pictured at the trial of Abu Bakar Ba'asyir in the Meteorology & Geophysics Agency Building, Central Jakarta, last week. Guarded by around 800 fully armed police, visitors had to pass through many checks: at the main gate and at the entrance to the session room. Of course, four important witnesses were coming to the session this time: Imam Samudra, Ali Gufron, Ali Imro