The five suspects were arrested in a coordinated effort on Tuesday morning. Säpo then announced that there are international links to violent Islamist extremism and links to the terrorist organization IS.
According to TV4, which was first with the news about the 15-year-old, he must have been on SAPO's radar for some time. A source told SVT that the 15-year-old has contact with several well-known Islamists on social media.
Criminal lifestyle
A ruling by the Administrative Court shows that there have been several reports of concern about the 15-year-old. The Social Welfare Board states in the judgment that he has a criminal identity, and it appears that he has been suspected of several different crimes and has had aggressive behavior.
The preliminary investigation against the five suspects is led by prosecutors at the National Security Cases Unit. By Friday, the prosecutor must make a decision on possible detention.