Could ex-ISIL fighters be used against Iran, as a Russian official claimed?

Alexander Bortnikov, head of Russia’s Federal Security Service, claimed late in May that the West is trying to use ex-fighters of the ISIL (ISIS) armed group against Iran.

“Western intelligence services don’t give up on their attempts to utilise militant terrorists from Syria as proxy forces in the war against Iran,” Aleksandr Bortnikov told a meeting of intelligence officials from eight ex-Sovi...