Al Qaeda blames ` ` non - complete explosion '' on ` ` technical problem '' President Obama vows to use ` ` every element '' in the military to combat terror . Part of explosive device was sewn into suspect 's shirt , official says . U.S. investigators have not determined whether the al Qaeda claim of responsibility was true , but one U.S. counterterrorism official told CNN on Monday that the group might have some involvement . Al Qaeda says it tested new explosive that got through security ; saved more lives .
Al Qaeda blames ` ` non - complete explosion '' on ` ` technical problem '' President Obama vows to use ` ` every element '' in the military to combat terror . Part of explosive device was sewn into suspect 's shirt , official says . Al Qaeda says it tested new explosive that got through security ; saved more lives .