Until 2016, Twitter was the online platform of choice for English-language Islamic State (IS) sympathizers. As a result of Twitter’s counter-extremism policies - including content removal - there has been a decline in activity by IS supporters. This outcome may suggest the company’s efforts have...
The report consists of two parts. The first examines all cases of U.S. persons arrested, indicted, or convicted in the United States for IS-related activities. This section also looks at the cases of other Americans who, while not in the legal system, are known to have engaged in IS-inspired...
On July 31, 2015, the Program on Extremism hosted a discussion on the threats and dynamics of the American and European foreign terrorist fighter (FTF) phenomenon. Director of CCHS Frank Cilluffo moderated a panel that included PoE Director Dr. Lorenzo Vidino, Director of the International Centre...
Telegram, an online instant messaging service popular among adherents of the Islamic State (IS), remains vital to the organization’s ecosystem of communications. The platform's functional affordances, paired with relatively lax enforcement of Telegram's terms of service (ToS), offers IS...
Current efforts at mapping how women engage in violent extremism and terrorist activities highlight a lack of contemporary understanding regarding women’s motivation to support and participate in extremist activity. Traditionally, terrorism studies have focused on men, in large part due to the...