The U.S. killed al-Qaeda’s leader. That might boost terrorism.
‘Leadership decapitation’ can inspire Islamist extremist groups and followers to carry out more attacks, my research finds
‘Islamic State in Africa’ explores nine militant Islamist groups
This book takes a comprehensive look at the rise of Islamic State affiliates operating on the continent
The Islamic State’s leader died this month. What type of leader might come next?
Our book on terrorist leaders gives some clues
Some good news from 2020: So far, very few Americans have been killed in terrorist attacks.
Despite alarming headlines, domestic terror attacks left fewer Americans dead than in 2019
When tensions rise, retaliation isn’t the same as all-out war
"Powder keg" situations rarely explode into war by accident.
What radicalized ISIS leader Abu Bakr al-Baghdadi?
Iraq’s post-2003 chaos is actually to blame, not Saddam Hussein.
The death of Baghdadi isn’t the end of ISIS
Research shows eliminating the leader of a terrorist group is not enough
Worried about an Islamic State comeback? Here’s why that’s unlikely.
Yes, Trump pulled U.S. troops out of northern Syria, but many other factors will probably keep ISIS down.