“‘O soldiers of the Caliphate, be firm for you are upon the truth. Be firm for Allah is with you’ -Mujahid Shaykh Abu Muhammad al-'Adnani” (Tweet)UmmHussainBritāniya, Twitter post, June 11, 2015, 6:01 p.m., https://twitter.com/UmmHussain110/status/609118355677679617.