Turkey's porous Syria border no barrier for jihadists Turkey has stepped up efforts to improve security on its border with Syria, but the area remains a major thoroughfare for jihadists and their sympathisers seeking to enter the country from Europe. The flight of Hayat Boumeddiene, the partner of the Paris Jewish supermarket assailant Amedy Coulibaly, has revived questions over the porousness of Turkey's borders, and Ankara's political will to confront the threat posed by IS jihadists. FILE IMAGES of the Turkey-Syria border.