"la relève" a "con" (i.e., something stupid). Mitterrand avoided arrest as Piatzook covered his escape. In November 1943 the  Sicherheitsdienst  (SD) raided a flat in  Vichy  where they hoped to arrest François Morland, a member of the resistance. "Morland" was Mitterrand's cover name. He also used Purgon, Monnier, Laroche, Captain François, Arnaud