Counterintelligence — 2026-10-08

Former BND Chief of Cabinet Manfred D Arrested for Aiding and Abetting Treason by Passing Classified Documents to Ex-BND Chief Hanning Since 2010

BLUFGermany's most damaging insider espionage case in decades will force allied services to reassess over a decade of intelligence sharing with Berlin, while an indictment is unlikely by year-end given the volume of evidence still under review.

Federal Criminal Police Office agents arrested Manfred D., a BND chief of staff to several presidents from March 2012 to March 2026, and ex-BND president August Hanning on October 6, the Federal Prosecutor's Office said 1. Prosecutors charge D. with aiding and abetting treasonous espionage and attempted treason, and say he supplied Hanning roughly 2,000 documents, many classified, from spring 2010 for payment, for use in Hanning's private consulting 1. The Federal Court of Justice investigating judge put both arrest warrants into effect on October 6 and 7 2. Prosecutors say Hanning drafted one analysis for a foreign intelligence officer and passed political information to another service's representative, while taz reported, without naming a source, that the service is hostile to Germany but not Russian 13.

Analysis
Prosecutors are unlikely to file an indictment against Hanning or Manfred D. by December 31, 2026. Confidence is moderate: the arrests rest on consistent statements from the Federal Prosecutor's Office, but the foreign services involved remain unnamed and no court filing shows the case's evidentiary state. Investigators must still establish whether the analysis Hanning wrote for a foreign officer reached its recipient, and they must review roughly 2,000 documents spanning 12 years. The investigating judge's confirmation of both warrants and the identification of D. as supplier, with transfers reportedly ending in mid-2022, fix the exposure window. Documents seized in September 2025 may instead let prosecutors move faster and file before year-end to keep detention secure. Absent an indictment, BND, Chancellery and partner-service damage assessments and any limits on intelligence sharing proceed out of public view into 2027.

4 sources

Arrests for Suspected Treasonous Espionage, Spying Out State Secrets, Attempted Treason, and Espionage - Der Generalbundesanwalt (Federal Prosecutor General)
Haftbefehle wegen mutmaßlicher landesverräterischer Ausspähung u. a. in Vollzug gesetzt - Der Generalbundesanwalt (Federal Prosecutor General)
Papiere aus dem Geheimdienst angekauft: Ex-BND-Chef Hanning unter Spionageverdacht festgenommen - taz
Former BND chief aide arrested as Germany biggest spy scandal widens - Euronews