⁍ The teenager identified by prosecutors as Abdoulakh A. lived with his family.

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⁍ He had never appeared on the radar of French intelligence agencies.

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⁍ The 18-year-old had a record of juvenile delinquency but was too young for police to have built up a file on him.

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– The 18-year-old who beheaded a French teacher on Friday was never on the country’s watch list, Reuters reports. The teen, identified only as Abdoulakh A., was born in Russia but lived with his parents and younger brother in the town of Evreux northwest of Paris. He had a record of juvenile delinquency but was too young to have had a file on him. He was also not on France’s “Fiche S” watchlist, which is used to keep an eye on people deemed a security risk. Only a small number of these are active surveillance. Abdoulakh A. was not on the list at all, police sources said. This is not the first time intelligence services have been blindsided like this. The 25-year-old Pakistani man who wounded two people last month in a meatcleaver attack outside the former Paris office of the satirical magazine Charlie Hebdo was not on the Fiche S list. Nor was the IT worker with the Paris police force who knifed four colleagues to death a year earlier. Abdoulakh A., who was Russian-born and of Chechen origin, was living in the town of Evreux northwest of Paris, according to authorities. On Friday night, police arrested his parents, younger brother, and one grandparent, wanting to establish what they knew of his plans and if he had any accomplices. Some Islamist militants in western countries have been characterized as ‘lone wolf’ attackers. However counter-terrorism experts say it is rare that attackers truly act alone, even if they don’t meet their accomplices.