Actually the even more fun part is that they only found out because they raided his house due to this really sketchy case he was contracted for via his really sketcy swiss(!) private eye company: https://www.theguardian.com/world/2025/jul/20/germany-christ...

“Among several alleged accomplices are August Hanning, a former head of Germany’s federal intelligence service, the BND, who according to prosecutors forged the initial contact between Block and the Israeli spy firm believed to have carried out the abduction.”

The connection to the current case may actually be a more direct one, via the Israeli spies.