The real force blocking Vanunu's release, who had been known only as "Y", was exposed in 2001 as Yehiyel Horev, the head of Mossad's nuclear and military secrets branch.
」阻止釋放瓦努努的真正勢力，一直只以"Y"稱呼，直至2001年其身份被揭露，是摩薩德的核子及軍事秘密分部主管Yehiyel Horev。