Peter Bergen | BIO
CNN National Security Analyst
On August 28, the Saudi Arabian deputy minister of interior, Prince Mohammed bin Nayef, survived a bombing attack launched by an al Qaeda cell based in Yemen, Saudi Arabia's southern neighbor.
Abdullah Hassan al Asiri, the would-be assassin, a Saudi who had fled to Yemen, posed as a militant willing to surrender personally to Prince Nayef.
Because he leads Saudi Arabia's counterterrorism efforts against al Qaeda, the prince is a key target for the terrorist group.
Al Asiri concealed the bomb, made of PETN, in his underwear, according to the official Saudi investigation.
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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