. ▁ ▁In ▁September ▁ 2 0 0 0 , ▁Die p gen ▁p ardon ed ▁two ▁former ▁members ▁of ▁the ▁East ▁German ▁Polit b uro , ▁Gün ter ▁Sch ab owski ▁and ▁Gün ther ▁Kle iber , ▁who ▁were ▁ja iled ▁for ▁their ▁role ▁in ▁East ▁Germany ' s ▁shoot - to - kill ▁policy ▁at ▁the ▁Berlin ▁Wall . ▁ ▁In ▁June ▁ 2 0 0 1 , ▁the ▁Social ▁Democr ats ▁announced ▁that ▁they ▁were ▁withdraw ing ▁from ▁Die p gen ' s ▁administration ▁and ▁table d ▁a ▁motion ▁of ▁no - conf idence ▁in ▁Die p gen , ▁acc using ▁him ▁of ▁mis management ▁and ▁cor ruption . ▁Die p gen ▁res igned , ▁and ▁Klaus ▁W ow ere it ▁became ▁acting ▁mayor . ▁ ▁A head ▁of ▁the ▁ 2 0 0 2 ▁federal ▁elections , ▁Die p gen ▁res igned ▁as ▁chairman ▁of ▁the ▁CD U ▁in ▁Berlin ▁after ▁having ▁failed ▁to ▁secure ▁the ▁top ▁position ▁on ▁the ▁party ' s ▁list ▁for ▁the ▁elections . ▁He ▁was ▁succeeded ▁by ▁Jo achim ▁Z eller . ▁ ▁Life ▁after ▁politics ▁Following ▁his ▁res ignation ▁in ▁ 2 0 0 1 , ▁Die p gen ▁joined ▁the ▁Berlin ▁office ▁of ▁German ▁law ▁firm ▁Th ü mm el , ▁Sch üt ze ▁& ▁Part ner . ▁ ▁In ▁addition , ▁Die p gen ▁has ▁held ▁various ▁paid ▁and ▁un pa id ▁positions , ▁including ▁the ▁following : ▁ ▁Ernst ▁Re uter ▁Archives , ▁Member ▁of ▁the ▁Board ▁of ▁Trust ees