Abdul Hamid al-Matar was killed two days after a U.S. military outpost in Syria was hit by drones and rockets.
Conservative MP David Amess was murdered earlier this month while greeting constituents in an English town.
A Defense Department spokesperson said the actions were “necessary to address the threat and appropriately limited in scope.”
National security adviser Jake Sullivan acknowledged the president's gaffe hours later but not before it drew scrutiny from some viewers.
The conspiracy-endorsing Colorado Republican was mocked for a post about Syrian dictator Bashar Assad and Biden's approval rating.
A half century after Hafez Assad launched a bloodless coup in Syria, his family still rules the country.
The president is campaigning as a peacemaker, and last week ran Facebook ads bragging about his nomination for the "Noble Peace Prize."
The Organization for the Prohibition of Chemical Weapons said Syria used the chemical weapons sarin and chlorine in a series of attacks in 2017.
The government’s attempt to recapture opposition stronghold Idlib has triggered a humanitarian catastrophe and the war’s largest single wave of displacement.
University lecturers have accused rescue workers the White Helmets of mass murder in Syria – to condemnation from Amnesty International and others.
Iraqi security and militia sources said at least 25 militia fighters were killed and at least 55 wounded following three U.S. air strikes in Iraq on Sunday.
The Syrian Response Coordination Group said over 216,600 have fled their homes in recent weeks amid bombardment by government forces.
The French president told Trump to "be serious," delivering a real-time fact check of his false claim that most Islamic State fighters are from Europe.
After Trump allowed Turkey to invade Syria, ISIS captives were able to escape from their detention in Kurdish-held areas.
Two women in Southern California are mobilizing America's small Kurdish community to fight an existential danger back home.
In a statement early Wednesday, the military says fighter jets struck dozens of targets.
The two presidents will meet as the first public hearing of the House's impeachment inquiry unfolds.
Erdogan warned European leaders they should "revise their stances" toward Turkey, where scores of the militants are imprisoned.
The humanitarian group has been vilified by the Syrian government and its allies, including Russia.
The military operation wasn't so very scary because there were no vacuum cleaners, Conan the K-9 commando explained in a translation from Cecily Strong.