Ryan Pereira [*] [This article is available as a PDF at this link.] Introduction On May 3, 2015, two individuals committed to the Islamic State (IS) and armed with high-powered assault rifles opened fire at a contest for cartoon depictions of the Prophet Muhammad held in Garland, Texas.[1] The two gunmen injured an off-duty police … Continue reading Shining Light on the “Going Dark” Phenomenon: U.S. Efforts to Overcome the Use of End-to-End Encryption by Islamic State Supporters