Detroit Flight 253 explosive substance was PETN Mom's Word (blog) Investigators: Northwest Bomb Plot Planned by al Qaeda in Yemen ABC News Official: Explosive PETN Used in Attack CBS News all 14 news articles.
A Saudi bomb maker rigged up a six-inch packet of high explosives - known as PETN - and a syringe and sewed it into his underpants, the report said. Read more: http://www.nydailynews.com/news/national/2009/12/26/200.
petn bomb Umar Farouk Abdulmutallab Use PETN Explosive in Flight 253 Bomb

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