Greece’s anti-terror unit arrested a 27-year-old Syrian member of ISIS on Thursday after a raid at the Eleonas migrant camp in western Athens where he had been staying with his wife and children.
He appeared before an Athens prosecutor later in the day and was given until Monday to prepare his defense.
He admitted to interrogators that he was an ISIS member and participated in killings.
He was charged with membership of a terrorist organization and direct complicity in murders as a terrorist act.
According to Greece’s new Criminal Code, judicial authorities can try people for terrorist acts that have been committed abroad.
Police entered the camp in response to a brawl between migrants.
The 27-year-old had reportedly been under surveillance for some time by the Counterterrorism Service and authorities said he appears in a video showing ISIS fighters published in 2014.
The Hellenic Police (ELAS) said he entered Greece on March 28, 2018 and applied for asylum, which had yet to be granted.
Anti-terror officers also seized electronic devices from the container he lived in.