Katherine Zimmerman, Critical Threats

Katherine Zimmerman

Critical Threats

Washington, DC, United States

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  • Unknown
  • Critical Threats
  • The Hill
  • AEI

Past articles by Katherine:

Road To The Caliphate: The Salafi Jihadi Movement's Strengths

America’s failure to defeat the Salafi-jihadi movement, of which al Qaeda and the Islamic State are only two parts, despite 18 years of c... → Read More

Yemen's Houthi Movement Can Still Be Split From Iran

The United States and its partners might still be able to reverse Iran’s pull on the Houthis. → Read More

Taking The Lead Back In Yemen

Introduction Statement before the House Committee on Foreign Affairs Subcommittee on Middle East, North Africa, and International Terrorism on “The Humanitarian Crisis in Yemen: Addressing Current Political and Humanitarian Challenges.” Chairman Deutch, Ranking Member Wilson, and members of the subcommittee, thank you for your attention to securing America’s interests in Yemen and for the… → Read More

The Salafi-jihadist movement is winning

Many observers, including the president, look at these outcomes and deem the terrorist threat finished — but our enemies take a different... → Read More

Terrorism, Tactics, And Transformation: The West Vs The Salafi Jihadi Movement

Executive Summary America’s counterterrorism strategy risks becoming irrelevant to the new reality. It misconceptualizes the enemy as a set of discrete groups and individuals to defeat and kill. It wrongly emphasizes a kinetic approach to addressing the threats these groups pose to American interests and the homeland. It underestimates the importance of the Salafi-jihadi movement that persists… → Read More

The Assault on al Hudaydah: Surfacing America’s Partnership Problems

The United States needs it partners much more now than they need the U.S. → Read More

The Never-Ending War on Terror

Earlier this month, the United States announced that it was launching operations to liberate the final strongholds of the Islamic State (ISIS) in Syria in what seemed to signal “mission accomplished” in the fight against global terrorism. Having finally wound down major combat operations in Iraq in late April, Washington was able to shift the focus of its offensive operations there to its fight… → Read More

Only the US can reach a peaceful political settlement in Yemen

"Securing a resolution to Yemen’s war is in America’s national interest, not just as a global power, but also as a moral leader." → Read More

President Saleh is Dead. What's Next for Yemen?

The death of former President Ali Abdullah Saleh is a turning point for Yemen’s civil war. → Read More


Are political Islamists America's enemies in the fight against terrorism?

A Point-Counterpoint in response to Katherine Zimmerman’s report, “America’s Real Enemy.” → Read More

In the fight against jihadist ideology, win the people to win the war

OPINION | "The only way for the United States and the West to defeat this enemy is to break its ties to communities." → Read More

America’s Real Enemy: The Salafi-Jihadi Movement

The United States is losing the war against an enemy it has misunderstood for decades. Al Qaeda, the Islamic State of Iraq and al Sham (I... → Read More

Testimony: Al Qaeda’s Strengthening In The Shadows

US strategy is setting the stage for al Qaeda to lead the Salafi-jihadi movement again when that movement is the strongest it has ever be... → Read More


Testimony: Al Qaeda's strengthening in the shadows

Al Qaeda has adapted and evolved as America focused myopically on retaking two cities from the Islamic State of Iraq and al Sham (ISIS). Al Qaeda has become more resilient and ready to exploit our own strategic weaknesses. → Read More

AQAP Post-Arab Spring and the Islamic State

AQAP’s absence from the headlines is deliberate, not a sign that the group is weak. Instead, AQAP is more deeply embedded with the local ... → Read More

Warning From The Sahel: Al Qaeda's Resurgent Threat

The US and its partners need to renew their efforts to counter al Qaeda in the Sahel or risk AQIM developing a latent threat capability t... → Read More

The Manchester bombing is a wake up call for America and Europe

OPINION | Counterterrorism actions disrupt active threats, but will not defeat the movement set in motion by terrorist groups. It is time to find a new way to fight this war. → Read More


What to do: Policy recommendations on the Middle East by AEI Scholars

AEI's Foreign and Defense Policy scholars weigh in on President Trump's decision to strike the Shayrat Airfield in Homs province, Syria. → Read More