▁prisoner ▁exchange ▁Iran ian ▁authorities ▁made ▁with ▁Al ▁Q a ida ▁in ▁the ▁Arab ian ▁Pen ins ula ▁in ▁Y emen . ▁ ▁On ▁ 1 6 ▁March ▁ 2 0 1 6 , ▁a ▁Twitter ▁account ▁affili ated ▁with ▁al - Q a eda ▁imp licated ▁al - Ad el ▁as ▁having ▁been ▁sent ▁to ▁aid ▁against ▁the ▁Russian ▁inter vention ▁in ▁the ▁Sy rian ▁Civil ▁War . ▁A ▁similar ▁report ▁also ▁placed ▁al - Ad el ▁as ▁having ▁been ▁sent ▁to ▁Sy ria ▁as ▁an ▁em iss ary ▁on ▁beh alf ▁of ▁al - Q a eda ▁em ir ▁A yman ▁al - Z aw ah iri . ▁However , ▁Long ▁War ▁Journal ▁claims ▁that ▁al - Ad el ▁is ▁in ▁Iran . ▁ ▁Writ ings ▁ ▁In ▁February ▁ 2 0 0 6 , ▁the ▁Com b ating ▁T error ism ▁Center ▁at ▁West ▁Point ▁published ▁a ▁number ▁of ▁dec lass ified ▁documents ▁from ▁the ▁Harm ony ▁database , ▁some ▁of ▁which ▁are ▁known ▁or ▁believed ▁to ▁have ▁been ▁written ▁by ▁Sa if ▁al - Ad el . ▁One ▁is ▁a ▁letter ▁signed ▁" O mar ▁al - Sum ali , ▁previously ▁known ▁as ▁Sa if ▁al - Ad el ", ▁about ▁the ▁author ' s ▁activities ▁in ▁southern ▁Som alia ▁during ▁UN OS OM ▁II ▁( 1 9 9 3 – 1 9 9 5 ). ▁It ▁ident ifies ▁Ras ▁K amb oni ▁as ▁a ▁suitable ▁site ▁for ▁an ▁al - Q a eda ▁base . ▁It ▁mentions ▁an