Editing Karim Cheurfi (section)

==Background==
Cheurfi did not appear to become radicalized during his time in prison.<ref name="Telegraph"/> Lawyer Jean-Laurent Panier, who represented Cheurfi at a theft trial, said shortly after the 2017 attack that Cheurfi was "psychologically fragile" and a naive and unsuccessful criminal, adding "I never got a sense that this was someone who would be radicalized."<ref name="Telegraph"/>

Cheurfi lived an isolated existence with few or no friends <ref name="Telegraph"/>and stayed with his parents in Chelles, Paris.<ref name="Indy"/> Neighbors in the ethnically-diverse eastern suburb described him as a vulnerable but violent mentally ill man with a deep hatred of police and who never visited his local mosque.<ref name="TheLocal">[https://www.thelocal.fr/20170421/champs-elyses-shooter-has-history-of-violence-against-police Champs-Elysées gunman: An unstable criminal who 'hated French police'], ''The Local'', April 2017</ref>

Cheurfi was a Parisian from birth, being raised in the northeastern Livry-Gargan suburb.<ref name="BBC"/>