The March 2020 edition of the CTC Sentinel contains a study titled "Addressing the Enemy: Al-Shabaab's PSYOPS Media Warfare" by Christopher Anzalone, George Mason University.
The Somali-based jihadi insurgent group, al-Shabaab, conducts an impressive psychological messaging operation that targets rank-and-file opposing soldiers as well as the domestic audience in neighboring countries as well as the United States.