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1. Q&A | Disbanding the PKK: A turning point in Turkey’s longest war?

Author:
Nancy Ezzeddine
Publication Date:
05-2025
Content Type:
Commentary and Analysis
Institution:
Armed Conflict Location & Event Data Project (ACLED)
Abstract:
On 12 May 2025, the Kurdistan Workers’ Party (PKK) officially announced its decision to disband and end its armed struggle. Designated a terrorist organization by Turkey and several of its allies, the group has waged a decades-long insurgency for Kurdish autonomy and rights. This announcement followed a unilateral ceasefire declared on 1 March, after the PKK’s imprisoned leader, Abdullah Öcalan, issued a call for the group to disarm. The PKK has previously made commitments to peace, but last week’s announcement is unprecedented. In this Q&A, ACLED Middle East Analyst Nancy Ezzeddine explains how this development compares to previous efforts, what motivates each side, and whether it marks the start of a sustainable peace process.
Topic:
Insurgency, Kurds, PKK, and Peace Process
Political Geography:
Turkey and Middle East

2. CTC Sentinel: April 2025 Issue

Author:
Michael Knights, Paul Cruickshank, Ayush Verma, Imtiaz Baloch, and Riccardo Valle
Publication Date:
04-2025
Content Type:
Journal Article
Journal:
CTC Sentinel
Institution:
The Combating Terrorism Center at West Point
Abstract:
In this month’s feature article, Michael Knights illuminates the nexus between Iraq’s oil sector and the Iran threat network. He writes: “The Iran threat network suffered grievous blows in Lebanon, Syria, Gaza, and Iran itself in 2024, and this has arguably made oil-rich Iraq even more important to the network. Facing renewed maximum pressure from the United States, Iran needs not only Iraq’s terrorist fundraising potential but also its value as a ‘laundromat’ through which Iranian energy products can be fraudulently relabeled as Iraqi exports. Using their control of the al-Sudani government, Iran-backed terrorist groups and militias are developing significant new strands of threat financing using Iraq’s oil sector, which combine to provide billions of dollars of illicit value each year. Iraq is thus emerging as Iran’s best bet for neutering the Trump administration’s renewed maximum pressure campaign.” He notes that “U.S.-designated foreign terrorist organizations are no longer content to steal oil, only to have smuggling businessmen realize most of the profits. Instead, terrorist organizations have muscled into this value-addition segment of the oil market in recent years, with AAH [Asaib Ahl al-Haq] and KH [Kataib Hezbollah] leading the pack.” Our interview is with Charlie Winter, the co-founder and chief research officer of ExTrac AI, an AI-assisted intelligence platform that identifies, maps, and forecasts geopolitical risk, including in the counterterrorism space. He states: “Our USP pivots around accessing, ingesting, and processing high-relevance publicly available information and data from hard-to-reach parts of the internet that reflects the online and offline activities and psychological operations of various non-state and state threat actors. And through our platform, which is both a web and mobile app, we provide both access to that data and the ability to generate insight from it rapidly—and we do that using a range of different kinds of automation, machine learning, [and] artificial intelligence.” He adds: “We essentially have built our system to let machines do what they do best and let human analysts do what they do best, and enable the analysts to spend a lot more time performing the highest-value tasks in the intelligence cycle.” Ayush Verma, Imtiaz Baloch, and Riccardo Valle examine the Baloch insurgency in Pakistan. They write: “The Baloch insurgency in Pakistan has intensified sharply since the beginning of 2025, marked by sophisticated attacks such as the Jaffar Express hijacking by Baloch Liberation Army-Jeeyand faction (BLA-J) on March 11, 2025, which resulted in the kidnapping of more than 400 passengers and death of at least 26 hostages. Groups like BLA-J, Balochistan Liberation Front (BLF), and Baloch Liberation Army-Azad faction (BLA-A) continue to deploy suicide bombers, including women, and temporarily seize territories, targeting Chinese nationals and China-Pakistan Economic Corridor (CPEC) projects. The insurgency’s regional spillover, especially into Iran, and competition for resources and prominence among factions of the insurgency further complicate Pakistan’s internal security.” They add: “Without a political resolution addressing long-standing grievances, the insurgency threatens to escalate, destabilizing both national and regional security.”
Topic:
Oil, Terrorism, Insurgency, Artificial Intelligence, Regional Security, Threat Assessment, and Transnational Threats
Political Geography:
Pakistan, Iraq, South Asia, and Middle East

3. January 2022 Issue

Author:
Michael Knights, Alex Almeida, Don Rassler, Brian Fishman, and Amira Jadoon
Publication Date:
01-2022
Content Type:
Journal Article
Journal:
CTC Sentinel
Institution:
The Combating Terrorism Center at West Point
Abstract:
Notwithstanding a night attack that killed 11 Iraqi soldiers on an army base in the Iraqi province of Diyala earlier this month, the Islamic State is at its lowest ebb in Iraq in many years, according to new data published by Michael Knights and Alex Almeida in this month’s feature article. They write that “a comprehensive analysis of attack metrics shows an insurgency that has deteriorated in both the quality of its operations and overall volume of attack activity, which has fallen to its lowest point since 2003. The Islamic State is increasingly isolated from the population, confined to remote rural backwaters controlled by Iraq’s less effective armed forces and militias, and lacks reach into urban centers.” They note that “the key analytical quandary that emerges from this picture is whether the downtrend marks the onset of an enduring decline for the group, or if the Islamic State is merely lying low while laying the groundwork for its survival as a generational insurgency.” In this month’s interview, Amy Zegart speaks to Brian Fishman and Don Rassler about her soon-to-be published book Spies, Lies, and Algorithms: The History and Future of American Intelligence. In the interview, she calls for the creation in the United States of a dedicated open-source intelligence agency because “OSINT will never get the priority or resources the nation needs without its own agency.” Amira Jadoon, Abdul Sayed, and Andrew Mines assess the threat trajectory of Islamic State Khorasan (ISK) in the wake of the Taliban takeover of Afghanistan. They assess that “given the absence of multilateral counterterrorism pressure, the Taliban’s limited capacity to govern, and a worsening humanitarian crisis in Afghanistan, ISK now finds itself perhaps in the most permissive environment yet to rebuild, rally, and expand.” Drawing on extensive fieldwork, including interviews with bandits and jihadi defectors, James Barnett, Murtala Ahmed Rufa’i, and Abdulaziz Abdulaziz examine the nexus between Nigeria’s bandits and jihadi organizations in northwestern Nigeria. They find that despite widespread fears bandits and jihadis would find common cause, there has been infrequent cooperation between them because they have conflicting approaches in their treatment of local inhabitants and because the more powerful bandits feel they have little to gain from working with the jihadis.
Topic:
Crime, Insurgency, Taliban, Counter-terrorism, and Islamic State
Political Geography:
Afghanistan, Africa, Iraq, South Asia, Middle East, and Nigeria

4. October 2020 Issue

Author:
Michael Knights, Stephen Hummel, Paul Cruickshank, Don Rassler, Tim Lister, Pete Erickson, Seth Loertscher, David C. Lane, and Paul Erickson
Publication Date:
10-2020
Content Type:
Journal Article
Journal:
CTC Sentinel
Institution:
The Combating Terrorism Center at West Point
Abstract:
In this month’s feature article, Michael Knights assesses the future of Kata’ib Hezbollah (KH) and Iran’s other proxies in Iraq. He notes that in the wake of the death of KH’s founder and leader Abu Mahdi al-Muhandis in a U.S. airstrike on January 3, 2020, “KH is still the engine room of anti-U.S. attacks in Iraq but it is less politically agile and operates in a more hostile counterterrorism environment where deniability and secrecy have become more important again.” He assesses that the “the Islamic Revolutionary Guard Corps Quds Force is also leaning on a more diversified model in Iraq, drawing on non-KH factions like Saraya al-Jihad and Saraya al-Ashura, and engaging more directly with Iraq’s minorities, including Sunni communities and the Shi`a Kurdish Faylis and Turkmen. History may be repeating itself as Iran develops new smaller and more secure Iraqi cells that are reminiscent of the formation of Kata’ib Hezbollah itself.” Our interview is with Drew Endy, Associate Chair, Bioengineering, Stanford University, who has served on the U.S. National Science Advisory Board for Biosecurity. He argues the United States urgently needs a bio strategy to take advantage of rapid advances in biotechnology, protect against the growing danger posed by its potential malevolent use, and prevent the United States from permanently falling behind as a biopower. “First, we need to demonstrate operational mastery of cells by learning to build them. Second and third, we need to build and secure the bio net. And we have to do this now, within the decade, so that we can translate these advances as infrastructure undergirding a uniquely American bio economy that projects power while advancing life, liberty, pursuit of happiness. If we do this, then we have a chance of taking infectious disease off the table. If we don’t develop and implement a coherent bio strategy, it’s game over, not to be dramatic.” In early August 2020, fighters loyal to the Islamic State captured the town and port of Mocimboa da Praia in Mozambique’s northernmost province of Cabo Delgado. They have yet to be dislodged from the town. Tim Lister examines a jihadi insurgency in Mozambique that has grown in sophistication and reach. This month marks 20 years since al-Qa`ida’s attack on the USS Cole, which killed 17 American sailors. Lieutenant Colonel Pete Erickson, Seth Loertscher, First Lieutenant David C. Lane, and Captain Paul Erickson assess the search for justice.
Topic:
Science and Technology, Insurgency, Counter-terrorism, Hezbollah, Justice, Jihad, Proxy War, and USS Cole
Political Geography:
Africa, Iraq, Iran, Middle East, and Mozambique

5. A Policy Response to Islamic State Extremist Fighter Battlefield Migration

Author:
Dr. Robert J. Bunker
Publication Date:
08-2020
Content Type:
Special Report
Institution:
The Strategic Studies Institute of the U.S. Army War College
Abstract:
June 2014 to December 2017 represented the high tide of radical Islamist (Salafi-jihadist) territorial control under the authority of the Islamic State in Iraq and Syria. This monograph analyzes and provides policy response options for US national security and Army planners concerning the potential for postterritorial caliphate battlefield migration by the sizable contingent of battle-hardened Islamic State foreign fighters situated within various enclaves in Syria and Iraq. The monograph achieves these ends by discussing Islamic State territorial eras and demographics; offering an overview of the initial inflows of these fighters into the territorial caliphate, outflows to the United States, and lateral transfers to new battlefields, as well as mentioning special issues related to Islamic State women and children; highlighting and analyzing the four strategic options available to the Islamic State in its postterritorial caliphate phase; and offering senior US policy makers and planners options for counterbattlefield migration policy responses. These options pertain to policies focused on extremists and the Islamic State as an organization and embedded within the context of higher-level US foreign policies toward Syria and Iraq. Additionally, recommendations for counterforeign terrorist fighter programs and the Joint force are provided.
Topic:
Insurgency, Violent Extremism, Islamic State, Islamism, Army, and Foreign Fighters
Political Geography:
Iraq, Middle East, and Syria

6. Iraq in Transition: Competing Actors and Complicated Politics

Author:
Aaron Stein
Publication Date:
12-2020
Content Type:
Special Report
Institution:
Foreign Policy Research Institute (FPRI)
Abstract:
The Republic of Iraq has faced considerable challenges after the American-led invasion in 2003 to oust Saddam Hussein, ranging from insurgency to endemic corruption and poor government services. Baghdad has emerged as the epicenter of a broader geopolitical struggle between the United States and Islamic Republic of Iran, two hostile adversaries at odds since the Islamic Revolution toppled the American-friendly Shah in 1979. Amidst these broader challenges, Iraq faced an existential security threat in 2014, after the Islamic State gained strength in Syria, augmented its ranks with foreign fighters, and took control over eastern Syria and parts of western Iraq, including the Iraqi city of Mosul, the country’s second largest city. The war to defeat this group was brutal and fraught, with the Iraqi military bearing the brunt of the casualties fighting for control over densely populated urban areas and vast expanses of desert terrain. The fighting consumed Iraqi affairs for years, blunted the sharp tensions that underpin U.S.-Iran relations, and focused military efforts on the defeat of a common enemy. In the year since the defeat of the Islamic State, the American role in Iraq has become less clear. The United States has undertaken an aggressive policy, dubbed “Maximum Pressure,” to economically coerce the Iranian government to make a series of concessions, including limits on the development of ballistic missiles and foreign policy changes. This effort included the American withdrawal from the Joint Comprehensive Plan of Action (JCPOA), the multi-national agreement that placed considerable limits on Iran’s nuclear program and instituted an expansive inspection regime to verify the terms of the deal in exchange for Iran receiving American and European sanctions relief. The Trump administration’s decision to reimpose sanctions severely complicated the arrangement, depriving Iran of the reward for its compliance and setting in motion a series of Iranian steps to try to coerce Europe to continue to uphold trade with the Islamic Republic. The United States, however, has threatened to sanction European entities should they not comply with American policy. The tensions over sanctions have had a deleterious effect on stability in Iraq and the Middle East, more broadly. The Iranian government has gradually increased its efforts to impose a cost on the United States for using sanctions to end its export of oil, beginning with a series of attacks on oil tankers near the Strait of Hormuz, escalating to include missile strikes on important oil centers in Saudi Arabia’s Abqaiq and Khurais, and then a shooting down an American surveillance drone. In response to rocket attacks inside Iraq, the United States has struck Iraqi militia’s linked to Iran and, in January 2020, assassinated Major General Qasem Soleimani, the now-deceased leader of the Islamic Revolutionary Guards Corp. (IRGC), and Abu Mahdi al-Muhandis, an Iranian-linked actor that oversaw Iraqi militias sympathetic to the Islamic Republic. In retaliation, the Iranian military fired a salvo of ballistic missiles at bases in Iraq, striking targets with precision, but luckily resulting in no American deaths. The strikes still resulted in over one hundred cases of traumatic brain injury in the soldiers at the targeted bases. The tit-for-tat underscores Iran’s appetite for risk, particularly at time when its economy is under siege from U.S. actions.
Topic:
Politics, Insurgency, Sectarianism, Islamic State, Sunni, Transition, Muqtada al-Sadr, and Popular Mobilization Forces (PMF)
Political Geography:
Iraq, Middle East, and Kurdistan

7. May 2017 Issue

Author:
Paul Cruickshank, Frank Straub, Jennifer Zeunik, Ben Gorban, Franc Milburn, Michele Groppi, John Horgan, Mia Bloom, Chelsea Daymon, Wojciech Kaczkowski, and Hicham Tiflati
Publication Date:
05-2017
Content Type:
Journal Article
Journal:
CTC Sentinel
Institution:
The Combating Terrorism Center at West Point
Abstract:
In the early hours of June 12, 2016, an Islamic State-inspired gunman carried out the deadliest terrorist attack on U.S. soil since 9/11, shooting dead 49 people in an Orlando nightclub. The attacker was finally killed after a three-hour hostage standoff, leading to questions raised in the media over the police response. One year later, Frank Straub, Jennifer Zeunik, and Ben Gorban look at the lessons learned from the police response to the Orlando and San Bernardino terrorist attacks based on critical incident reviews they conducted for the Police Foundation. In our cover article, they outline how regular police units who were first to respond to the attacks were faced with chaos and “unimaginable devastation … with victims begging for help, people dying, and others who were already deceased” as well as adversaries armed with powerful weapons with explosives or making threats to use them against hostages. The authors argue that with the Islamic State calling for attacks in all 50 U.S. states, police forces across the country need to adapt their training and equipment to prepare for IED, suicide bombing, and hostage situations. Their review found that while Orlando police followed current best practices designed to avoid the deaths of hostages and unreasonable danger to police, new protocols may be necessary for terrorist hostage attacks. In our interview this month, James Gagliano, a former counterterrorist operator for the FBI Hostage Rescue Team, argues that with Islamic State-inspired hostage-takers seeking to kill as many as possible before being killed themselves, the new guidance in these cases should be for law enforcement to more quickly or immediately implement rescue plans to save as many hostages as possible. John Horgan, Mia Bloom, Chelsea Daymon, Wojciech Kaczkowski, and Hicham Tiflati examine the Islamic State’s older fighters. As the group finds it increasingly difficult to replace its fighters, preliminary evidence documented by the Georgia State University researchers suggests an emerging and increasingly aggressive role for older adults, especially as suicide bombers. Michele Groppi warns the terrorist threat to Italy may come to resemble that in France because of growing societal tensions. Franc Milburn provides an overview of Iranian Kurdish insurgent groups, who he argues may emerge as significant players in the region.
Topic:
Terrorism, Insurgency, Counter-terrorism, and Kurds
Political Geography:
Europe, Iran, Middle East, Italy, North America, and United States of America

8. June / July 2017 Issue

Author:
Hassan Hassan, Brian Dodwell, Don Rassler, Fernando Reinares, Carola Garcia-Calvo, Alvaro Vicente, Michael Horton, and Chris Zambelis
Publication Date:
07-2017
Content Type:
Journal Article
Journal:
CTC Sentinel
Institution:
The Combating Terrorism Center at West Point
Abstract:
Two recent developments suggest the Islamic State’s caliphate pretensions are being consigned to history. The first is the group’s destruction of the Great Mosque of al-Nuri in Mosul, where three years ago Abu Bakr al Baghdadi declared his caliphate to the world. The second is the fact that the Syrian Democratic Forces (SDF), a U.S.-backed Kurdish and Arab militia, has now entered the city limits of Raqqa, the group’s de facto capital in Syria. In our cover article, Hassan Hassan outlines the challenges ahead in liberating and holding Raqqa. While removing the Islamic State from the city could take anywhere from weeks to months, he argues the harder task will be for the force, whose backbone is made up of Kurdish fighters, to prevent the Islamic State from exploiting ethnic tensions to destabilize the city after it is liberated. But he argues there is a window of opportunity for the SDF to bring sustainable security to Raqqa and surrounding areas because of the willingness of local tribes to work with liberating forces and warming relations between the SDF and Syrian Sunni rebel groups, who increasingly view the U.S.-backed force as a check on the Assad regime’s ability to regain control of northeastern Syria. While the Islamic State is shrinking, Lieutenant General Michael K. Nagata, director of the Directorate of Strategic Operational Planning at the U.S. National Counterterrorism Center, in a wide-ranging interview on evolving terror threats, draws attention to the group’s organizational resilience in the face of withering pressure from the coalition fighting it. The Islamic State’s attack on Tehran on June 7 was a case in point. At a time of rising sectarian tension across the Middle East, Chris Zambelis argues the Islamic State carried out the attack in part to bolster its recruitment and fundraising efforts—and one-up al Qa`ida—as it pivots from territory control to global terrorism. Michael Horton examines the enduring threat posed by the Islamic State’s local affiliate in the Sinai, arguing counterproductive tactics by the Egyptian government risk provoking a broader insurgency. In a study based on comprehensive data on those arrested in Spain for terrorism crimes maintained by the Elcano Royal Institute in Madrid that has wide implications for the understanding of radicalization processes across Western countries, Fernando Reinares, Carola García-Calvo, and Álvaro Vicente find that jihadi radicalization in Spain has been driven by two key factors of “differential association,” namely contact with radicalizing agents and pre-existing social ties with other radicalized individuals.
Topic:
Terrorism, Insurgency, Counter-terrorism, Radicalization, Islamic State, and Jihad
Political Geography:
Iran, Middle East, Spain, Egypt, and Raqqa

9. August 2017 Issue

Author:
Aaron Brantly, Charlie Winter, Devorah Margolin, Michael Knights, Kristina Hummel, and Raffaello Pantucci
Publication Date:
08-2017
Content Type:
Journal Article
Journal:
CTC Sentinel
Institution:
The Combating Terrorism Center at West Point
Abstract:
After a respite from mass-casualty terrorism for more than a decade, the United Kingdom this past spring suffered three such attacks in the space of just 73 days, making clear it faces an unprecedented security challenge from jihadi terrorism. In our cover article, Raffaello Pantucci outlines what investigations have revealed so far about the March attack on Westminster Bridge, the bombing at a pop concert in Manchester in May, and the June attack on London Bridge and Borough Market. The early indications are that the Westminster attacker, Khalid Masood, had no contact with the Islamic State and the Manchester and London Bridge attackers were, at most, loosely connected to the group. The current threat environment, Pantucci writes, continues to be mostly made up of individuals and smaller scattered cells planning lower-tech attacks with very short planning and operational cycles—sometimes remotely guided by the Islamic State—rather than cells trained and dispatched by the Islamic State to launch large-scale, Paris-type attacks, but this could change as more British Islamic State recruits return home. Our interview this month is with Edward You, a Supervisory Special Agent in the Biological Countermeasures Unit in the FBI’s Weapons of Mass Destruction Directorate. While the full liberation of Mosul last month effectively ended the Islamic State’s caliphate pretensions, Michael Knights warns the Islamic State and other jihadis are already bouncing back in several parts of Iraq and more strongly and quickly in areas where the security forces are either not strong enough or not politically flexible enough to activate the population as a source of resistance. As the Islamic State transitions from administering territory to a renewed campaign of terrorism and insurgency, Charlie Winter and Devorah Margolin examine the Islamic State’s apparent lifting of its moratorium on using women as suicide bombers. In a commentary, Aaron Brantly argues that creating back-doors in encryption, or banning it, would create significant societal costs without stopping terrorists from accessing the technology.
Topic:
Gender Issues, Science and Technology, Terrorism, Weapons of Mass Destruction, Insurgency, Counter-terrorism, Women, Islamic State, and Encryption
Political Geography:
Iraq, United Kingdom, Europe, Middle East, and Global Focus

10. December 2017 Issue

Author:
Hassan Hassan, Bryan Price, Goktug Sonmez, Johannes Saal, and Ryan Cummings
Publication Date:
12-2017
Content Type:
Journal Article
Journal:
CTC Sentinel
Institution:
The Combating Terrorism Center at West Point
Abstract:
We’re proud to be publishing the 10th anniversary issue of CTC Sentinel. In the inaugural December 2007 issue, then Director of the Combating Terrorism Center Joseph Felter introduced the new publication with a favorite phrase of the late General Wayne A. Downing, “Who thinks wins.” Felter is now the Deputy Assistant Secretary of Defense for South and Southeast Asia and is the subject of our interview this month. “We wanted CTC Sentinel to be a resource to the academic, scholarly, and policy community … so we designed CTC Sentinel to include both high-quality scholarship from leading scholars as well as articles grounded in practitioner insights,” he recalls. “[It] has truly met and exceeded our hopes for it.” A great deal of credit for this is due to founding editor Erich Marquardt, the journal’s editorial board over the years—now led by Colonel Suzanne Nielsen, Lieutenant Colonel Bryan Price, and Brian Dodwell—as well as Brigadier General Cindy Jebb, the Dean of West Point, who has been a longtime champion of the publication. There are still very significant challenges to think through. Hassan Hassan warns in this month’s cover article that the Islamic State is now attempting a resurgence in the border region between Iraq and Syria, having conserved forces for the same kind of attritional insurgency that led to its regeneration after its near-defeat in the late 2000s. This year has seen four international terror attacks involving ethnic Uzbeks, including a truck attack on New York City’s West Side Highway in October. Goktug Sonmez outlines how radicalization among Central Asians is becoming a growing international security concern. Johannes Saal examines what is known about what appears to be a new Islamic State external operations hub in Libya and the spokes connecting it to radical networks in Europe. Ryan Cummings outlines the evolving relationship between Boko Haram and al-Qa`ida and argues there are indications al-Qa`ida is trying to bring the group back into its fold.
Topic:
Terrorism, Insurgency, Violent Extremism, Counter-terrorism, Al Qaeda, Islamic State, Borders, Jihad, and Boko Haram
Political Geography:
Iraq, Central Asia, Middle East, Libya, Syria, and Southeast Asia