Boris Bazhanov
... that Soviet defector Boris Bazhanov became the only assistant at Joseph Stalin's secretariat to ever turn against the Soviet regime?
... that <a class="mw-redirect" href="./Soviet" id="mwEbU" rel="mw:WikiLink" title="Soviet">Soviet</a> <a class="mw-redirect" href="./Defector" id="mwEbY" rel="mw:WikiLink" title="Defector">defector</a> <b id="mwEbc"><a href="./Boris_Bazhanov" id="mwEbg" rel="mw:WikiLink" title="Boris Bazhanov">Boris Bazhanov</a></b> became the only assistant at <a href="./Joseph_Stalin" id="mwEbk" rel="mw:WikiLink" title="Joseph Stalin">Joseph Stalin</a>'s <a class="mw-redirect" href="./Secretariat_of_the_CPSU_Central_Committee" id="mwEbo" rel="mw:WikiLink" title="Secretariat of the CPSU Central Committee">secretariat</a> to ever turn against the Soviet regime?