Belgacem is said to have been a radicalised French-born Muslim of North African origin who was a resident of Garges-lès-Gonesse . He was known to the authorities and on a police watchlist , though not on the Fiche " S " list of national security threats . Some reports say that he was born on 14 February 1978 in Paris . He had a lengthy criminal record that included convictions for armed robbery and had been in prison between March and November 2016 . Due to his connection with radicalised Islamists , his home was searched in November 2015 following the Paris attacks a few days earlier
the Paris attacks a few days earlier
November 2015 Paris attacks
2017 Orly Airport attack