Ninety people died in the Bataclan music concert hall attacks on Nov. 13.

A 23-year-old man from the eastern French city of Strasbourg has been identified as the third bomber involved in the attacks at Paris’s Bataclan music hall, police sources said on Wednesday.

Foued Mohamed Aggad went to Syria with his brother and a group of friends at the end of 2013, according to a source close to the investigation.

Most of the others were arrested in spring last year upon their return to France but Aggad stayed on in Syria, the source said.

Ninety people died in the Bataclan attacks on Nov. 13. The two other bombers have been identified as Omar Omar Ismail

Mostefai, 29, and 28-year-old Samy Amimour.

Aggad was identified at the end of last week after his DNA was matched with those of his family members, the police source said.

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