▁in ▁Tel ▁Av iv ▁give ▁the ▁impression ▁that ▁neither ▁group ▁knew ▁who ▁was ▁responsible ▁for ▁the ▁attack . ▁ ▁Isra eli ▁invol vement ▁has ▁been ▁consist ently ▁denied ▁by ▁the ▁Isra eli ▁government , ▁including ▁by ▁a ▁M oss ad - led ▁internal ▁inqu iry , ▁even ▁following ▁the ▁ 2 0 0 5 ▁ad mission ▁of ▁the ▁Lav on ▁affair . ▁ ▁Those ▁who ▁assign ▁responsibility ▁for ▁the ▁bomb ings ▁to ▁an ▁Isra eli ▁or ▁Ira qi ▁Z ion ist ▁under ground ▁movement ▁suggest ▁the ▁mot ive ▁was ▁to ▁encou rage ▁Ira qi ▁Jews ▁to ▁imm igr ate ▁to ▁Israel , ▁as ▁part ▁of ▁the ▁on going ▁Operation ▁Ez ra ▁and ▁Ne hem iah . ▁Those ▁histor ians ▁who ▁have ▁raised ▁questions ▁regarding ▁the ▁gu ilt ▁of ▁the ▁conv icted ▁Ira qi ▁Z ion ist ▁agents ▁with ▁respect ▁to ▁the ▁bomb ings ▁note ▁that ▁by ▁ 1 3 ▁January ▁ 1 9 5 1 , ▁nearly ▁ 8 6 , 0 0 0 ▁Jews ▁had ▁already ▁registered ▁to ▁imm igr ate , ▁and ▁ 2 3 , 0 0 0 ▁had ▁already ▁left ▁for ▁Israel , ▁that ▁the ▁British ▁who ▁were ▁closely ▁monitoring ▁the ▁Jewish ▁street ▁did ▁not ▁even ▁mention ▁the ▁bomb s ▁of ▁April ▁and ▁June ▁ 1 9 5 0 , ▁nor ▁were ▁they ▁mentioned ▁in ▁the ▁Ira qi ▁tri als , ▁meaning ▁these ▁were ▁minor ▁events . ▁They ▁have ▁raised ▁other ▁possible ▁cul pr its ▁such ▁as ▁a ▁national ist ▁Ira qi ▁Christian ▁army ▁officer , ▁ ▁and ▁those