Rubuta ci gaba ga wannan sakin layi - A lokaci guda, kungiyar bin Laden ta yi aiki tare da mayakan Shi'a: "Kowane Musulmi, daga lokacin da suka fahimci bambanci a cikin zukatansu, suna ƙin Amurkawa, suna ƙin Yahudawa, kuma suna ƙin Isra'ilawa. Wannan ɓangare ne na imaninmu da addininmu". A bayyane yake an yi wahayi zuwa gare shi ta hanyar nasarar da 'yan Shi'a suka yi, kamar juyin juya halin Iran na 1979, da aiwatar da Shari'ar da Ayatollah Khomeini ya yi, da kuma hare-haren ta'addanci da matasa masu tsattsauran ra'ayi na Shi'a suka yi a lokacin shekarun 1980 Iran-Iraq War. Wannan tausayin na Shi'a na iya yin tasiri ta hanyar gaskiyar cewa mahaifiyar Bin Laden da kanta ta kasance cikin darikar Shi'a. Yayin da suke Sudan, "manyan manajoji a al Qaeda sun ci gaba da hulɗa da" Shi'a Iran da Hezbollah, ƙawancen Shi'a na kusa da shi "kungiyar ta'addanci ta duniya.... Membobin Al Qaeda sun sami shawara da horo daga Hezbollah. "&lt;ref name="9/11 Commission Report, p.240"&gt;"9/11 Commission Report", p.240&lt;/ref&gt; inda aka yi imanin cewa sun aro dabarun kashe kansu da harin bam na lokaci guda. Saboda rikicin Shia-Sunni, wannan haɗin gwiwar zai iya zuwa yanzu. A cewar rahoton kwamitin 9/11 na Amurka, an yi watsi da Iran lokacin da ta yi kokarin karfafa dangantaka da Al Qaeda bayan harin Oktoba 2000
a kan, "saboda Bin Laden ba ya so ya nisantar da magoya bayansa a Saudi Arabia".