Last week, the Islamic State released the eighth edition of its Rumiyah monthly magazine. Its cover story: an article lionizing Rumiyah's former editor, Ahmad Abousamra, who was killed in January by a U.S.-led coalition airstrike near Tabqa, Syria.
Other experts have already done a commendable job of retracing Abousamra's steps as he transformed from a graduate of the University of Massachusetts at Boston's computer science program to a propagandist of terrorism. (I encourage readers interested in his past to look at the profiles compiled by CNN's Paul Cruickshank and the Long War Journal's Thomas Joscelyn.) Rather than repeating their good work, I'd like to use Abousamra's case to look at the importance of propagandists to extremist groups like the Islamic State -- and the impact their removal from the battlefield can have in the fight against terrorism....