Bomber shorts: Umar Farouk Abdulmutallab wore this underwear outfitted with explosives for three weeks before the failed bomb attempt on Christmas Day 2009
Revealed: How Christmas Day Bomber's Exploding Underwear Failed To detonate... Because He Had Worn Them For THREE WEEKS -- Daily Mail
Agents who investigated Umar Farouk Abdulmutallab said he was forthcoming about his plans
Abdulmutallab sentenced to three life terms after pleading guilty earlier this year
Infamous al-Qaeda bombmaker Ibrahim Hassan al-Asiri is believed to have made the device
The notorious underwear bomber who tried to bring down a jumbo jet on Christmas Day had a dirty little secret - he'd been wearing the explosive skivvies for weeks.
Umar Farouk Abdulmutallab wore them for three weeks to be exact, and it may have been the reason why he was unsuccessful in his 2009 terrorist plans aboard a Detroit-bound airliner.
The new details were revealed by two FBI agents who played a role in securing a confession from Abdulmutallab, shortly after the bungled plot.
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My Comment: 3 weeks!!!! Phew!