Islamic State of Iraq and Syria (Terrorist Organization)

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ISIS (Islamic State of Iraq and Syria), also known as ISIL (Islamic State of Iraq and the Levant), is a Sunni jihadist group with a particularly violent ideology that calls itself a caliphate and claims religious authority over all Muslims. It was inspired by al Qaida but later publicly expelled from it. RAND terrorism experts have analyzed the group's financing, management, and organization; its savvy use of social media for recruitment and fundraising; and the instability that spawned the group as a regional problem in the Middle East.

  • The Grand al-Nuri Mosque where Abu Bakr al-Baghdadi declared a new caliphate in July 2014 is seen in ruins after it was retaken by Iraqi forces from Islamic State militants, June 30, 2017, photo by Alaa Al-Marjani/Reuters

    Commentary

    Can the Islamic State Survive If Baghdadi Is Dead?

    Jun 30, 2017

    If and when self-declared Caliph Abu Bakr al-Baghdadi is killed, it will have little effect on the threat posed by the Islamic State to global security. The far more important objective is to continue dismantling the organization as a whole, including its affiliates in Libya, Egypt, Nigeria, and Afghanistan.

  • An Iraqi flag is seen amid destroyed buildings in the Old City of Mosul, Iraq, July 23, 2017, photo by Thaier Al-Sudani/Reuters

    Report

    How to Achieve Stability in Iraq After ISIS

    Jul 24, 2017

    After major combat operations against ISIS in Mosul, recovery and stability will require redoubled efforts by Iraqis and the international community. How well humanitarian, security, and other needs are addressed will affect the immediate stabilization of Iraq, including whether civilians can return home.

Explore The Islamic State (Terrorist Organization)

  • An Iraqi military HMMWV drives past an Islamic State sign in eastern Mosul after they captured it from IS

    Commentary

    The Islamic State May Be Failing, but Its Strategic Communications Legacy Is Here to Stay

    The Islamic State's caliphate is collapsing but its legacy will live on virtually because of its information operations. The scale of the menace presented by the group today pales in comparison to other global challenges, yet it manages to dominate and terrorize the public mind.

    Aug 17, 2017

  • Testimony

    The Terrorist Diaspora: After the Fall of the Caliphate: Addendum

    Document submitted August 11, 2017, as an addendum to testimony before the House Committee on Homeland Security, Task Force on Denying Terrorists Entry into the United States on July 13, 2017.

    Aug 14, 2017

  • Iraqis celebrate as Prime Minister Haider al-Abadi announces victory over Islamic State in Mosul, in Baghdad, Iraq, July 10, 2017

    Commentary

    Islamic State 2.0

    Many of Iraq's Sunnis are frustrated with the slow pace of reconstruction and a Baghdad government they consider too friendly to Iran. The U.S. needs to shift from supporting military operations in cities such as Mosul to helping the Iraqi government better address political grievances. Failure risks sowing the seeds of ISIS's resurgence.

    Aug 10, 2017

  • Civilians carry their belongings as they walk between destroyed buildings by clashes in the Old City of Mosul, Iraq, July 23, 2017

    Multimedia

    Making Victory Count After Defeating ISIS

    In this Call with the Experts, Senior Policy Researcher Shelly Culbertson discusses the challenges ahead to ensure peace and stability following the defeat of ISIS in Mosul. Media relations director Jeffrey Hiday moderates the call.

    Aug 4, 2017

  • The U.S. Capitol building illuminated at night in Washington, D.C.

    Blog

    RAND's Summer Reading List for Congress

    Hill staffers can make the most of the Congressional recess with this list of must-read research and commentary on the policy issues they will be addressing this fall.

    Aug 4, 2017

  • Testimony

    Middle East Turmoil and the Continuing Terrorist Threat — Still No Easy Solutions: Addendum

    Document submitted on July7, 2017, as an addendum to testimony before the House Committee on Armed Services on February 14, 2017.

    Jul 27, 2017

  • Libyan authorities accused al Qaeda of trying to smuggle 37 million tablets of the synthetic opiate Tramadol which were seized from a shipping container in Tripoli, March 3, 2011

    Commentary

    ISIS Is So Desperate It's Turning to the Drug Trade

    As the Islamic State loses territory, it is forced to seek new revenue streams to exploit, including drug trafficking. Proceeds garnered from peddling narcotics affords jihadis in Europe the financial flexibility to travel to Syria, to fund attacks, and to pay for their return trips home.

    Jul 25, 2017

  • People walk in front of the remains of the University of Mosul, which was burned and destroyed during a battle with Islamic State militants, in Mosul, Iraq, April 10, 2017.

    Commentary

    Moving Beyond Mosul

    The Islamic State group has been defeated in Mosul. But this military routing isn't enough to ensure lasting stability, either in Mosul or in Iraq more broadly. What comes next will require careful planning, diplomacy, implementation, and coordination.

    Jul 18, 2017

  • Multimedia

    The Terrorist Diaspora

    An overview of the testimony presented by Colin Clarke before the House Homeland Security Committee Task Force on Denying Terrorists Entry into the United States on July 13, 2017.

    Jul 13, 2017

  • A member of Iraqi security forces holds an Islamic State flag on the top of a destroyed building from clashes in the Old City of Mosul, Iraq, July 10, 2017

    Testimony

    The Terrorist Diaspora: After the Fall of the Caliphate

    As operations against ISIS in Mosul conclude, militants are likely already fleeing—and preparing to wage jihad elsewhere. How can the United States identify and mitigate the threat posed by these foreign fighters?

    Jul 13, 2017

  • Rebel fighters walk out from a cave that was used by Islamic State militants, after they captured the area from them, on the outskirts of the northern town of al-Bab, Syria, February 2, 2017

    Multimedia

    The Evolving Terrorist Threat

    As ISIS loses territory in Iraq and Syria, are terrorist attacks more likely or less? How is the group evolving? What about al-Qa'ida? To answer these questions, RAND convened a group of terrorism experts.

    Jul 12, 2017

  • Iraqi soldiers pose with the Islamic State flag in al-Shura, Iraq, which they recaptured on October 30, 2016

    Blog

    Vickers, Crocker, Bergen, and Mudd Headline RAND ISIS Conference

    Panelists at a RAND conference on ISIS agreed that efforts to protect the U.S. homeland and conduct campaigns to dismantle extremist groups have had success. But many long-term challenges to the broader world order remain that will require strategic patience.

    Jul 6, 2017

  • Afghan local police (ALP) sit at the back of a truck near a frontline during a battle with the Taliban at Qalay-i-zal district, in Kunduz province, Afghanistan August 1, 2015

    Commentary

    Trump's Options for Afghanistan: Losing or Not Losing

    The Trump administration faces the choice of losing quickly by withdrawing from Afghanistan; losing slowly by maintaining America's current, inadequate commitment; or not losing by increasing that commitment enough to maintain a stalemate on the battlefield.

    Jun 23, 2017

  • Abu Bakr al-Baghdadi speaking at the al-Nuri mosque in Mosul, July 5, 2014

    Commentary

    Is ISIS Leader Baghdadi Still Alive?

    The Russian military announced that it might have killed the leader of the Islamic State, Abu Bakr al-Baghdadi, in an airstrike in Raqqa. Would his death weaken the group or will ISIS continue to adapt, evolve, and expand like al Qaeda did?

    Jun 22, 2017

  • A Kurdish fighter from the People's Protection Units watches smoke rise after a coalition airstrike in Raqqa, Syria, June 16, 2017

    Commentary

    The Islamic State's Disposable Army

    To leaders of the Islamic State group, murder of its own and collective suicide are keys to its defense strategy. The group targets malcontents and the most suggestible, knowing they are desperate to belong to something and willing to die for it.

    Jun 20, 2017

  • Smoke rises from the al-Mishlab district in Raqqa's southeastern outskirts, Syria, June 7, 2017

    Commentary

    When the Caliphate Falls, What Then for U.S. Policy?

    The eventual fall of ISIS-controlled Raqqa will necessitate a review of U.S. policy in Syria. Policymakers can start thinking about the questions it will raise now.

    Jun 16, 2017

  • A pedestrian looks at floral tributes for the victims of the attack on London Bridge and Borough Market, June 6, 2017

    Commentary

    Why Aren't There More Terrorist Attacks Like the One in London?

    The number of attacks like the one on London Bridge are low because jihadist ideologies have failed to gain traction in most Muslim countries, and it's difficult to recruit people remotely. Supporting violence and participating in it are two different things.

    Jun 7, 2017

  • Vehicles drive near Tabqa Dam on the Euphrates River, in the town of Tabqa, after Syrian Democratic Forces (SDF) captured it from Islamic State militants, Syria May 12, 2017

    Commentary

    Developing a Comprehensive Strategy for Countering the Islamic State

    Despite substantial policy and military focus, U.S. attempts to stop the Islamic State group have met with only varying degrees of success. A patient, long-term U.S. investment in governance—including a renewed commitment to addressing the root causes of instability in the Middle East—is needed in Iraq and Syria.

    Jun 5, 2017