In a shocking development that has sent ripples through Germany’s national intelligence community, federal authorities have taken former head of the Federal Intelligence Service (BND) August Hanning into custody on serious allegations of espionage, treason, and illegal procurement of classified information on behalf of a foreign state, Germany’s Federal Prosecutor’s Office confirmed this week.
Hanning led Germany’s primary foreign intelligence agency from 1996 to 2005, and has operated as an independent private security consultant since stepping down from his official role. Prosecutors outline two key accusations against the former spy chief: first, that he leveraged classified intelligence materials to prepare a formal analysis for a foreign intelligence service, and second, that he maintained ongoing, undisclosed close contact with a second separate foreign spying entity. To date, investigating officials have declined to publicly name the foreign powers implicated in the case.
A second former BND staffer, identified only as Mandred D. for privacy reasons under German law, was also arrested in a coordinated operation across two German states. Mandred D., who served as Hanning’s chief of staff during his tenure at the BND and remained employed by the agency until 2026, also held the same chief of staff role for Hanning’s successors between 2012 and 2026. This long-standing position granted him sustained access to highly restricted internal BND documents, which prosecutors allege he passed to Hanning in exchange for financial compensation.
Official statements from the Federal Prosecutor’s Office note that accumulated evidence indicates Mandred D. transferred roughly 2,000 classified documents to Hanning over a period of years. The vast majority of these materials were marked for exclusive internal BND use only. While investigators confirm Hanning did use a portion of this classified information to draft the analysis for a foreign intelligence officer, they have not yet confirmed whether the finished product ultimately reached the intended foreign recipient. Prosecutors also add that Hanning shared political information – much of it derived from the documents provided by Mandred D. – with the representative of a second foreign intelligence service over the course of several years.
Authorities carried out the arrests at separate locations across Germany: Hanning was taken into custody at his private residence in Nordwalde, a small town near the northwestern city of Münster, while Mandred D. was arrested in southern Germany’s Bavaria. Hanning is scheduled to appear before an investigative judge on Wednesday, with Mandred D.’s court hearing set for one day earlier on Tuesday.
The investigation into Hanning’s alleged activities was an unexpected offshoot of a separate, high-profile criminal case involving German steakhouse heiress Christina Block. Block is currently facing charges from Hamburg prosecutors for orchestrating the 2023 kidnapping of her two youngest children during a bitter public custody dispute. Investigators allege Hanning was involved in a failed earlier attempt to kidnap the children, an accusation he has publicly denied. During searches tied to the Block case, law enforcement seized an electronic storage device that contained a cache of sensitive, recently generated BND documents, ultimately leading investigators to Hanning and Mandred D.
This arrest marks the second major espionage scandal to roil Germany’s top intelligence agency in as many years. In 2023, a high-ranking BND officer identified as Carsten L. was charged with treason for allegedly passing hundreds of thousands of euros worth of classified state secrets to Russia. The materials included sensitive information related to the ongoing war in Ukraine and details on the Wagner mercenary group. His trial remains ongoing as of this reporting.