A decade ago, the self-proclaimed Islamic State group held vast swaths of territory across Iraq and Syria, but President Trump declared it destroyed in 2019.

Last Saturday, an Islamic State infiltrator ambushed a meeting between American soldiers and their local counterparts in a Syrian desert town. Two members of the Iowa National Guard and a U.S. civilian interpreter were killed in the assault—whose perpetrator may or may not have known that the subject of the meeting was how to counter ISIS.

The police found two homemade Islamic State flags in the car of the suspects, a 50-year-old man and his 24-year-old son.

Welcome to The Hill’s Defense & NatSec newsletter{beacon} Defense &National Security   The Big Story What will Trump’s response be to deadly ISIS attack?The deadly

The terrorist group has been linked to the mass shooting in Australia and a deadly attack in Syria. What do these two attacks reveal about the group's strength?Host Mary Louise Kelly speaks with Pentagon correspondent Tom Bowman and Middle East correspondent Jane Arraf about how the Islamic State has adapted in a post-caliphate world and what American forces are doing in Syria.

ISIS is too weakened to seize territory, experts said, but its ability to churn out propaganda aimed at provoking violence against the West persists.

Sgts. William Nathaniel "Nate" Howard and Edgar Torres-Tovar were killed in Syria while they were stationed with the Iowa National Guard.

Pakistan’s intelligence agencies have arrested Khariji Sultan Aziz Azam, spokesperson for the Islamic State Khorasan (ISIS-K) and founder of the group’s official media wing, the Al-Azaim Foundation, according to a United Nations report submitted to the Security Council.