- K ass ar ▁who ▁was ▁linked ▁to ▁numerous ▁cr imes ▁including ▁the ▁Ach ille ▁Lau ro ▁hij ack ing , ▁without ▁results . ▁ ▁In ▁ 2 0 0 5 , ▁Spain ▁requested ▁the ▁Muslim ▁Bro ther hood ▁and ▁alleg ed ▁al - Q a eda ▁oper ative ▁Must af a ▁Set m ari am ▁Nas ar ' s ▁extr ad ition ▁from ▁Pakistan ▁for ▁his ▁alleg ed ▁role ▁in ▁the ▁bomb ing ▁after ▁a ▁witness ▁report ▁after ▁Nas ar ▁became ▁a ▁suspect ▁in ▁the ▁ 2 0 0 4 ▁Madrid ▁train ▁bomb ings . ▁In ▁addition ▁to ▁witness ▁accounts ▁following ▁the ▁Madrid ▁attacks , ▁a ▁composite ▁sketch ▁of ▁the ▁suspect ▁that ▁had ▁been ▁produced ▁by ▁the ▁accounts ▁of ▁several ▁American ▁serv ic emen ▁in ▁the ▁immediate ▁after math ▁of ▁the ▁El ▁Des c ans o ▁bomb ing ▁has ▁been ▁described ▁to ▁have ▁a ▁great ▁res embl ance ▁to ▁Set m ari am , ▁then ▁an ▁unknown ▁figure . ▁ ▁See ▁also ▁Madrid ▁air line ▁office ▁attacks ▁Bar ▁I run a ▁attack ▁Rhein - Main ▁Air ▁Base ▁bomb ing ▁ ▁References ▁▁▁ ▁Category : 1 9 8 5 ▁cr imes ▁in ▁Spain ▁Category : 1 9 8 0 s ▁in ▁Madrid ▁Category : 1 9 8 0 s ▁mur ders ▁in ▁Spain ▁Category : 2 0 th - century ▁mass ▁murder ▁in ▁Spain ▁Category : A pril ▁ 1 9 8 5 ▁cr imes ▁Category : A pril ▁ 1 9 8 5 ▁events ▁in ▁Europe ▁Category : Att acks ▁on ▁buildings