Walter Schellenberg was employed by Heydrich in SS intelligence effort
to unmask all internal resistance and plots against the Nazi regime.
He was involved in the Venlo affair which resulted in the
SS kidnapping of two British SIS agents in the Dutch border town of
He took part in the plot to kidnap the Duke and Duchess of Windsor
in Portugal, but fell severely
ill from food-poisoning during the adventure and later claimed he was poisoned
by British intelligence.