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Terrorism

Policy Analysis on Terrorism

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Maps & Graphics
Brief Analysis
New Evidence of Real-World Attacks by Uli al-Baas
The group's name has been making the rounds for months, but videos and other actual evidence of its claimed attacks against Israel are only now beginning to emerge.
Jun 10, 2025
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  • Hamdi Malik
◆ Militia Spotlight
Badr Organization military wing logo
Articles & Testimony
Badr Organization: Iran’s Oldest Proxy in Iraq
An in-depth look at why Congress should follow through on calls to sanction the group, which has been closely tied to Iran-backed terrorism for decades.
June 2025
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  • Michael Knights
  • Crispin Smith
Washington Institute logo, white on blue - source: The Washington Institute
Articles & Testimony
U.S. Funding Cuts Risk Jeopardizing Counter-Islamic State Operations
The Trump administration claims it is prioritizing efforts to combat the organization, but funding cuts threaten to undermine vital operations.
Jun 4, 2025
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  • Devorah Margolin
Qais al-Khazali's declassified interrogation file
Maps & Graphics
Brief Analysis
Qais al-Khazali Praises His “Honorable” Role in Murder of Americans
The senior political and "resistance" figure is still trying to legitimize the cold-blooded murder of unarmed Americans in the 2007 Karbala raid.
Jun 5, 2025
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  • Michael Knights
◆ Militia Spotlight
Brief Analysis
Reducing the U.S. Presence in Syria Too Quickly Could Help the Islamic State
Besides testing Syria’s new authorities on a mission they are not yet ready to handle by themselves, Washington also has an unprecedented chance to curtail the group in areas that were difficult to reach under the old regime.
Jun 4, 2025
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  • Ido Levy
Harakat al-Abdal armored vehicles and flags
Maps & Graphics
Brief Analysis
Profile: Harakat al-Abdal
An inveterate opponent of the United States and Israel, the enigmatic Harakat al-Abdal may have become an entirely Qods Force-operated, Syria-based entity years ago, posing questions about where its fighters now reside and what became of its PMF status in Iraq.
Jun 2, 2025
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  • Sary Mumayiz
  • Michael Knights
◆ Militia Spotlight: Profiles
A United Nations peacepeeker scans the terrain in southern Lebanon - source: Untied Nations
Brief Analysis
UNIFIL’s Fork in the Road
The time for inertia is over—this summer, Security Council members will have a rare and urgent chance to break the spell of illusory “peacekeeping” and advance a model that actually helps keep the peace between Israel and Lebanon.
May 29, 2025
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  • Assaf Orion
An Islamic State fighter waves an ISIS flag while brandishing an automatic rifle in Raqaa, Syria - source: Reuters
Articles & Testimony
Everyday Life in the Islamic State’s Wilayat al-Raqqah
An in-depth study of how the Islamic State’s administrative apparatus and activities in its Syrian “capital” affected local residents, and how it sought to instrumentalize the populace in a quest to sustain its wider international state-building project for the long term.
May 2025
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  • Aaron Y. Zelin
Syria's acting president Sharaa greets U.S. President Trump in Riyadh in May 2025 - source: Reuters
Brief Analysis
Setting Expectations with Syria on Countering the Islamic State
After an encouraging Trump-Sharaa meeting, Washington and its partners must now facilitate the complex work of creating timelines and implementing new security arrangements to constrain the jihadist group.
May 27, 2025
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  • Devorah Margolin
An IDF display of weapons seized from a Hezbollah cache in southern Lebanon - source: Reuters
Brief Analysis
Disarming Palestinian Factions in Lebanon Means Disarming Hezbollah
Given their deep historical and present-day coordination, Beirut needs to change its mindset of treating these groups separately and formulate a unified strategy for disarming them all—and the sooner the better.
May 21, 2025
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  • Hanin Ghaddar
  • Ehud Yaari
A masked Hamas fighter brandishes a rifle in Gaza - source: Reuters
Brief Analysis
Deporting Hamas’s Top Brass: A Path to Ending the War in Gaza
Although Hamas is still unwilling to discuss full disarmament, granting safe passage to hundreds of commanders could have similar effects on the ground while enabling the parties to end the fighting and reach a viable “day after” agreement.
May 20, 2025
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  • Ehud Yaari
An Islamic State fighter waves an ISIS flag while brandishing an automatic rifle in Raqaa, Syria - source: Reuters
Brief Analysis
The Islamic State Attacks the New Syrian Government
Even before a high-profile new attack in the east, shifting trends in the number, nature, and location of plots showed why the United States isn’t quite ready to take a victory lap in the battle against IS in Syria.
May 19, 2025
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  • Aaron Y. Zelin
KH-linked Iraqi MP Mustafa Sanad
Maps & Graphics
Brief Analysis
Terrorist Wing of the Iraqi Government Opposes Sharaa Visit
Two of Prime Minister Sudani's partners in government—the terrorist groups Kataib Hezbollah and Asaib Ahl al-Haq—have stepped up their efforts to bar Syria's new president from a Baghdad summit.
May 15, 2025
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  • Ameer al-Kaabi
  • Michael Knights
◆ Militia Spotlight
Syria's acting president Sharaa greets U.S. President Trump in Riyadh in May 2025 - source: Reuters
Brief Analysis
Trump Meets Sharaa: Writing a New Chapter in U.S.-Syria Relations
The two leaders raised a wide array of crucial proposals, giving Secretary Rubio and the rest of the Trump team unprecedented room to set the terms for a mutually beneficial post-sanctions relationship.
May 14, 2025
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  • Aaron Y. Zelin
Brief Analysis
Will Israel’s New “Chariots” Plan Trample or Strengthen Hamas?
Israel sees its next operation in Gaza as a means to decisively damage Hamas’s military and governance capabilities while freeing the rest of the hostages, but the plan might also produce a lengthy occupation and expanded guerrilla warfare.
May 14, 2025
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  • Neomi Neumann
Qais_AAH
Maps & Graphics
Brief Analysis
Asaib Ahl al-Haq Accuses Faleh al-Fayyad of Turkish Collusion
The militia continues to battle with the PMF secretary-general, this time highlighting his alleged promotion of Turkish interests in the hope of undermining him.
May 8, 2025
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  • Ameer al-Kaabi
  • Hamdi Malik
◆ Militia Spotlight
Iranian presidential candidate Masoud Pezeshkian poses in front of a poster of Iranian Supreme Leader Khamenei prior to Iran's 2024 presidential elections - source: Reuters
Brief Analysis
Pragmatists Open a Window in Tehran—But for How Long?
Regime officials and the Supreme Leader himself have signaled a willingness to make unprecedented concessions, but taking advantage of this opening will require careful U.S. messaging on counterterrorism, regional deterrence, and human rights.
May 7, 2025
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  • Hamdi Malik
Photo of an oil facility in Iraqi Kurdistan.
Articles & Testimony
Iraqi Oil and the Iran Threat Network
Terrorist organizations are exploiting Iraq’s energy sector to the tune of billions of dollars per year, raising the need for more intensive efforts to trace how revenues are routed into oil “voucher” programs and other diversion schemes.
April 2025
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  • Michael Knights
Photo of an Israeli soldier in the ruins of a kibbutz following the October 2023 Hamas attack.
Articles & Testimony
The Benefits of Disarming Hamas Are Clear. What About the Price?
Even if Washington were willing to support indefinite military occupation, escalating in Gaza would increase the risk to hostages, the strain on the IDF’s reserves, and the discord Israel has faced at home and abroad.
Apr 29, 2025
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  • David Makovsky
  • Simone Saidmehr
An Iranian soldier wearing an IRGC uniform salutes in front of an Iranin flag - source: Reuters
Articles & Testimony
Ending Iran’s Nuclear Weapons Program Is Not Enough
Tehran cannot enjoy the economic benefits it seeks while under sanction, but some sanctions will necessarily remain in place as long as it continues sponsoring terrorism, leaving negotiators with little choice but to address issues beyond the nuclear program.
Apr 25, 2025
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  • Matthew Levitt

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Jeanette and Eli Reinhard Program on Counterterrorism and Intelligence

The Washington Institute's Jeanette and Eli Reinhard Program on Counterterrorism and Intelligence serves as Washington's premier center for the study of international terrorism.

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Featured experts

Matthew Levitt
Matthew Levitt
Matthew Levitt is the Fromer-Wexler Senior Fellow and director of the Reinhard Program on Counterterrorism and Intelligence at The Washington Institute.
Devorah Margolin
Devorah Margolin
Devorah Margolin is the Blumenstein-Rosenbloom Senior Fellow at The Washington Institute.
Aaron Zelin
Aaron Y. Zelin
Aaron Y. Zelin is the Gloria and Ken Levy Senior Fellow at the Washington Institute for Near East Policy where his research focuses on Sunni Arab jihadi groups in North Africa and Syria as well as the trend of foreign fighting and online jihadism.
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