Cika wannan jumla: An ce sakamakon da ba a so ba na tallafa wa Mujahideen, ya zo Amurka ne a cikin bam din Cibiyar Ciniki ta Duniya ta 1993 da hare-haren 11 ga Satumba. A cikin fashewar bam din na 1993, duk mahalarta fashewar bam din "ko dai sun yi aiki a Afghanistan ko kuma suna da alaƙa da wani bangare na Brooklyn da ke tattara kuɗi don jihadi na Afghanistan" wanda daga baya "aka bayyana cewa shi ne ainihin hedkwatar al-Qaeda ta Amurka". Shugabanni a harin 2001 Osama Bin Laden, Khalid Sheikh Mohammed duk sun yi yaƙi a Afghanistan, kuma bin Laden ya kasance laftanan Abdullah Azzam. Kungiyarsa, al-Qaeda, ta koma Afghanistan don neman mafaka tare da Taliban bayan an kore ta daga Sudan. Kafin harin 11 ga Satumba, al-Qaeda ta yi
sun kai harin bam a ofisoshin jakadancin Amurka guda biyu a Afirka a shekarar 1998, kuma kusan sun nutsar da jirgin ruwan USS "Cole" a Yemen a shekarar 2000. Duk da haka, babu wani taimako na Amurka kai tsaye ga Bin Laden ko wani daga cikin abokansa da aka kafa.