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Umar Farouk Abdulmutallab was born on December 22, 1986. He gained notoriety for his failed attempt to detonate explosives hidden in his underwear aboard Northwest Airlines Flight 253 on Christmas Day 2009, shortly before the plane was due to land in Detroit, Michigan. The attempted bombing, known as the "underwear bombing", resulted in significant security enhancements in aviation and increased scrutiny of passengers.