An alleged Hamas ammunition supplier reportedly worked for German intelligence. What did his handlers know?

German prosecutors allege Mohammad S. helped obtain ammunition for a Hamas operation preparing a murder attack in Germany or Austria.

German reporting says he was also working as a confidential source for Germany’s domestic intelligence agency, the BfV.

If both are true, what did his handlers know?

Guns, ammunition and a planned attack

Germany’s Federal Prosecutor filed charges against seven men on 8 September, accusing them of membership in Hamas and preparing a serious act of violence.

Prosecutors allege Hamas’s military wing had established weapons depots in Europe and, by July 2025, was preparing an attack around the second anniversary of October 7 against representatives of Israel, Jews or pro-Israel individuals.

By the first arrests on 1 October 2025, the alleged network had obtained one functioning fully automatic rifle, 13 functioning pistols and more than 700 rounds of ammunition.

Part of the arsenal was allegedly moved to Vienna. Another defendant is accused of recording a video announcing the planned attack in Hamas’s name.

All seven defendants remain in pre-trial detention. The allegations have not been proven.

Mohammad S. was allegedly brought into the operation by another defendant. Earlier reporting based on the investigation said he obtained 300 rounds of replacement ammunition after another batch had been thrown into Berlin’s River Spree following a police encounter.

What did the BfV know?

Die Zeit reported in April that Mohammad S. had been a confidential source for the BfV and that the agency acknowledged that relationship to federal prosecutors.

According to its investigation, Mohammad S. told investigators searching his home in October 2025 that he worked for a German intelligence service. A phone and laptop found there were reportedly provided for communications with his handlers.

Die Zeit also reported that the BfV continued running him as a source until 5 December, around two months after the search.

The agency reportedly told prosecutors that Mohammad S. had never been directed by the BfV in connection with the alleged attack plot.

That answers one question, if the reporting is accurate.

It does not answer another.

An intelligence service can refrain from directing a source’s activity while still knowing something about what that source is doing.

The prosecution therefore raises three distinct questions: whether Mohammad S. obtained the ammunition as alleged; what he told his handlers about his activities; and what the BfV knew about those activities and when.

Proof of the first would not automatically answer the other two.

Defence lawyers have reportedly maintained that Mohammad S. was actively providing information to the BfV while the alleged operation developed.

The German government has refused to confirm or deny his source status publicly. Asked in parliament about Mohammad S. and his possible work for the BfV, it cited national security and protection of intelligence sources and explicitly said its refusal should be understood as neither confirmation nor denial.

There are legitimate reasons intelligence agencies protect information about confidential sources. Penetrating an extremist network can provide access that would otherwise be impossible to obtain.

But the accountability question becomes harder when prosecutors allege that the source himself was participating in weapons procurement.

The criminal case will determine whether prosecutors can prove Mohammad S.’s alleged conduct.

The separate question for German intelligence is what his handlers knew about that conduct and what they did with the information.

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