 Wolf stated after the reunification that the resignation of Brandt had never been intended, and that the planting and handling of Guillaume had been one of the biggest mistakes of the East German secret services.Brandt was succeeded as the Chancellor of the Bundesrepublik by his fellow Social Democrat, Helmut Schmidt.For the rest of his life, Brandt remained suspicious that his fellow Social Democrat (and longtime rival) Herbert Wehner had been scheming for Brandt's downfall.