Where Will They Strike Next?

Imam Samudra was supposed to be the clever one. A tech-freak renowned for carrying his laptop computer with him wherever he went, he was careful to limit his mobile phone conversations to 20-second chats to foil police scanning technology. The other Bali plotters looked up to him and, police say, heeded his orders. But in the end, Samudra, who Indonesian police report has confessed to being the chief planner and coordinator of the bomb blasts in Bali on Oct. 12 that killed 191 people, wasn't quite clever enough; the 35-year-old Indonesian hadn't been keeping up with the latest technology, which requires...