A German intelligence officer was recently arrested on the suspicion he was plotting to bomb the headquarters of Germany's domestic spy agency in Cologne.
The 51-year-old, who converted to Islam two years ago, admitted in a "partial confession" that his goal was to "infiltrate" the Office for the Protection of the Constitution, Der Spiegel reported Tuesday.
An official with the intelligence agency said the man attempted to pass on "sensitive information about [the agency], which could lead to a threat to the office."
The suspect also used online chat rooms in an attempt to recruit radical Islamists to the spy agency to mount attacks against "non-believers." The man was caught after chatting with an undercover agent from the office, according to Der Spiegel.
Germany is currently under a high-threat terrorist alert following a series of attacks in western Europe this past summer. U.S. Director of National Intelligence James Clapper warned in April that ISIS had terrorist cells in the United Kingdom, Germany, and Italy similar to those operated by the jihadists who carried out attacks in Paris and Brussels.