YEMEN, JORDAN, IRAN, LIBYA, TUNISIA – WHAT HAPPENS AFTER ISLAMIC STATE? - p4 ISLAMIC STATE AND AYMAN AL- ZAWAHIRI'S ALTERNATIVE JIHAD - p14 WHAT HAPPENS TO THE CHILDREN OF THE CALIPHATE? - p10 CREST SECURITY REVIEW SPRING 2017 / ISSUE 04 After Islamic State ISSN 2398-0540 (PRINT) ISSN 2398-0559 (ONLINE)