Kerstin Bree Carlson joins JiC for this guest-post on the remarkable story of Ahmed Samsam, who was convicted on terrorism charges in Spain, only to win his case after proving he was a Danish state agent. Kerstin’s current research examines terrorism trials in Denmark, France and Colombia.

At a time when government overreach is threatening established liberal, democratic traditions the world over, a curious and important legal development quietly took place in Denmark. Ahmed Samsam, wrongly convicted as a jihadi terrorist in Spain in 2018, forced the Danish government to publicly recognize that he was a Danish agent.
On 2 September 2025, Samsam won his case before the Danish Supreme Court, which found that he was a Danish undercover agent, not a jihadi terrorist, and ordered the government intelligence communities to recognize him as such. Within the hour, the intelligence services who for years had refused to “confirm or deny” knowledge of Samsam claimed him as their own. They are now working with him to clear his conviction in Spain.
Samsam’s case has many of the trappings of a best-selling conspiracy/thriller novel. It is well known in Denmark but not beyond the country’s borders. The case is notable for the ways that it reveals flaws in Denmark’s human rights protections in cases that involve the state’s own misdeeds. It is also an opportunity to revisit serious legal flaws in cases related to foreign fighters in justice systems across Europe.
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