▁head ▁of ▁the ▁left - wing ▁National ▁Union ▁of ▁Popular ▁Forces ▁( UN PF ) ▁and ▁secretary ▁of ▁the ▁Tr ic ont inental ▁Conference . ▁An ▁oppon ent ▁of ▁French ▁Imperial ism ▁and ▁King ▁Hass an ▁II , ▁he ▁" dis app eared " ▁in ▁Paris ▁in ▁ 1 9 6 5 . ▁Many ▁theories ▁attempting ▁to ▁explain ▁what ▁happened ▁to ▁him ▁were ▁put ▁forward ▁over ▁the ▁years ; ▁but ▁it ▁was ▁not ▁until ▁ 2 0 1 8 ▁that ▁details ▁of ▁his ▁disapp earance ▁were ▁established ▁by ▁Isra eli ▁journalist ▁and ▁author ▁Ron en ▁Berg man ▁in ▁his ▁book ▁R ise ▁And ▁Kill ▁First : ▁The ▁Secret ▁History ▁of ▁Israel ' s ▁Target ed ▁Ass ass in ations . ▁Based ▁on ▁research ▁and ▁inter views ▁with ▁Isra eli ▁intelligence ▁oper atives ▁involved ▁in ▁planning ▁the ▁kid n apping ▁of ▁B ark a , ▁Berg man ▁concluded ▁that ▁he ▁was ▁murder ed ▁by ▁Mor oc can ▁agents ▁and ▁French ▁police , ▁who ▁ended ▁up ▁dispos ing ▁of ▁his ▁body . ▁ ▁Background ▁ ▁Youth ▁and ▁the ▁fight ▁for ▁Mor oc can ▁independence ▁▁ ▁Me h di ▁Ben ▁B ark a ▁was ▁born ▁January ▁ 1 9 2 0 ▁into ▁a ▁middle ▁class ▁family ▁in ▁Rab at ; ▁his ▁father ▁Ah med ▁Ben ▁M ' ham med ▁Ben ▁B ark a ▁was ▁at ▁the ▁beginning ▁of ▁his ▁career , ▁serving ▁as ▁personal ▁secretary ▁of ▁the ▁P asha ▁of ▁Tang ier , ▁before ▁becoming ▁a ▁business man ▁in ▁Rab at , ▁and ▁his ▁mother ▁L