The killing of Ayman al-Zawahiri, the world’s most wanted terrorist, leaves al-Qaeda in a leadership crisis. But the drone strike ordered by President Biden also highlights new tensions with the Taliban one year after the U.S. withdrawal from Afghanistan.

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Ayman al-Zawahiri’s safe house in Afghanistan’s capital, Kabul, was targeted by a drone strike Saturday after months of planning, officials said Monday. And Zawahiri had been a U.S. target for more than two decades: He oversaw the 9/11 attacks alongside al-Qaeda’s founder, Osama bin Laden.

“This is a victory for the president, no doubt,” national security reporter Shane Harris says on today’s episode of Post Reports. “But beneath that victory is the fact that the world's most wanted terrorist moved right into the capital city of the country that [Biden] ordered troops to leave last year.”