How was Flydubai co-pilot cleared despite being deemed a security risk? - Al Jazeera

How was Flydubai co-pilot cleared despite being deemed a security risk?  Al JazeeraFlydubai hijacking attempt exposes worrying gaps in aviation security  CNNFlyDubai stabbing attack from co-pilot came after he asked to pray, captain says  The Seattle TimesLike a 'vertical roller coaster': Simulating flight FZ1073's sudden plunge  ReutersWho are the mystery men who stepped in to keep the FlyDubai plane from crashing?  AP News