AN ENDURING THREAT: EUROPE’S ISLAMIST TERROR NETWORKS THEN AND NOW 475 quickly released. Photos emerged in March 2014 claiming to show that he had been killed, but despite 476 this France’s internal security directorate has issued instructions to keep looking for Mayne. YOUSSEF BOUYABAREM: An alleged member of the Zerkani network who attended meetings at Gelel Attar’s apartment in 2012. Tried unsuccessfully to join al-Shabaab, for which his brother, 477 Moustapha Bouyabarem, already fought, and also failed in an attempt to travel to Syria. ! ! 475 ‘At least 8 suspects are at large with links to attacks in Brussels, Paris’, CNN, 28 March 2016. 476 Dalton, M., ‘Investigators Home In on Scope of Terror Network Behind Brussels, Paris Attacks’, The Wall Street Journal, 4 April 2016. 477 Van Vlierden, G., ‘Belgium knew in 2012 already that Paris suspects were plotting attacks’, Emmejihad, 26 January 2016. ! ! 41 !