▁might ▁bl ame ▁him ▁for ▁ear ning ▁himself ▁( and ▁Spain ) ▁enemies . ▁ ▁The ▁Sum mary ▁of ▁the ▁Jud icial ▁En qu iry ▁concluded ▁that ▁the ▁decision ▁to ▁attack ▁Madrid ▁was ▁taken ▁after , ▁and ▁as ▁a ▁result ▁of , ▁the ▁invasion ▁of ▁Ira q . ▁Nevertheless , ▁The ▁New ▁York er ▁claimed ▁the ▁decision ▁was ▁taken ▁before ▁ 9 / 1 1 ▁according ▁to ▁an ▁Italian ▁police ▁report . ▁ ▁Ex pl os ives ▁used ▁in ▁the ▁attacks ▁▁ ▁In ▁the ▁immediate ▁after math ▁of ▁the ▁train ▁bomb ings ▁it ▁was ▁sus pected ▁that ▁the ▁explos ive ▁used ▁in ▁the ▁bomb s ▁may ▁have ▁been ▁Tit ad ine , ▁as ▁initial ▁susp ic ions ▁on ▁responsibility ▁for ▁the ▁bomb ings ▁focused ▁on ▁E TA ▁and ▁this ▁explos ive ▁had ▁been ▁used ▁by ▁them ▁on ▁occasions ▁in ▁the ▁past . ▁As ▁evidence ▁emer ged ▁from ▁the ▁investigation ▁attention ▁on ▁the ▁explos ive ▁used ▁switched ▁to ▁a ▁brand ▁of ▁dynam ite ▁known ▁as ▁G oma - 2 . ▁ ▁Analysis ▁of ▁samples ▁from ▁the ▁explos ion ▁sites ▁carried ▁out ▁by ▁a ▁member ▁of ▁the ▁bomb ▁dispos al ▁squad ▁( T ED AX ) ▁following ▁the ▁bomb ings ▁did ▁not ▁produce ▁a ▁definit ive ▁result . ▁The ▁anal yst ▁concerned ▁later ▁test ified ▁in ▁the ▁trial ▁of ▁those ▁accused ▁of ▁comm itting ▁the ▁bomb ings . ▁She ▁stated ▁that ▁the ▁only ▁thing ▁she ▁could ▁identify ▁in ▁these ▁tests ▁were ▁generic ▁components ▁of ▁dynam ite . ▁ ▁Later ▁in ▁ 2 0 0 4