All Reports
The Founding Fathers ofAmerican Jihad: The Impacts and Legacies of Anwar al-Awlaki, Samir Khan, and Ahmad Abousamra
Authored by Haroro J. Ingram and Jon Lewis
June 2021
Racially/Ethnically Motivated (RMVE) Attack Planning and United States Federal Response, 2014-2019
Authored by Bennett Clifford
May 2021
"This is War!" Examining Military Experience Among the Capitol Hill Siege Participants
Authored by Daniel Milton and Andrew Mines
April 2021
The Islamic State in Congo
Authored by Tara Candland, Adam Finck, Haroro Ingram, Laren Poole, Lorenzo Vidino, and Caleb Weiss
March 2021
"This is Our House!" A Preliminary Assessment of the Capitol Hill Siege Participants
Authored by Program on Extremism staff
March 2021
Antisemitism as an Underlying Precursor to Violent Extremism in American Far-Right and Islamist Contexts
Authored by Alexander Meleagrou-Hitchens, Bennett Clifford, and Lorenzo Vidino
October 2020
Dollars for Daesh: Analyzing the Finances of American ISIS Supporters
Authored by Lorenzo Vidino, Jon Lewis, and Andrew Mines
September 2020
White Supremacist Terror: Modernizing Our Approach to Today's Threat
Authrored by Jon Lewis, Seamus Hughes, Oren Segal, and Ryan Greer
April 2020
Kemal Helbawy: A Pioneer of the Muslim Brotherhood in the West
Authored by Lorenzo Vidino
January 2020
The Islamic State's Effort to Co-Opt Tanzim Hurras Ad-Din
Authored by Asaad Almohammad
November 2019
The Other Travelers: American Jihadists Beyond Syria and Iraq
Authored by Seamus Hughes, Emily Blackburn, and Andrew Mines
August 2019
Encrypted Extremism: Inside the English-Speaking Islamic State Ecosystem on Telegram
Authored by Bennett Clifford and Helen Powell
June 2019
Salafism in America: History, Evolution, Radicalization
Authored by Alexander Meleagrou-Hitchens
October 2018
The Travelers: American Jihadists in Syria and Iraq
Authored by Alexander Meleagrou-Hitchens, Seamus Hughes, and Bennett Clifford
February 2018
Digital Decay: Tracing Change Over Time Among English-Language Islamic State Sympathizers on Twitter
Authored by Audrey Alexander
October 2017
Fear Thy Neighbor: Radicalization and Jihadist Attacks in the West
Authored by Lorenzo Vidino, Francesco Marone, and Eva Entenmann
June 2017
Not Just The Caliphate: Non-Islamic State-Related Jihadist Terrorism in America
Authored by Sarah Gilkes
December 2016
Cruel Intentions: Female Jihadists in America
Authored by Audrey Alexander
November 2016
ISIS in America: From Retweets to Raqqa
Authored by Lorenzo Vidino and Seamus Hughes
December 2015
Countering Violent Extremism (CVE) in America
Authored by Lorenzo Vidino and Seamus Hughes
June 2015