Prince Mohammed bin NayefOn August 28, 2009 the Saudi Arabian deputy minister of interior, Prince Mohammed bin Nayef, survived a bombing attack using an Al-Queda Panty Bomb.Abdullah Hassan al Asiri, made the assassination attempt with PETN sewn into his undies.
PETN is a plastic explosive that is not picked up by metal detectors -- through which the would-be assassin had to pass before he was allowed to meet with the prince.
Saudi officials believe that the prince's assailant exploded the 100-gram device using a detonator with a chemical fuse, which would also not be detected by a metal detector.
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