“It was all theater,” said the U.S.-backed commander who has since switched his allegiance to Turkey.
Extremists' use of technology is a persistent threat, experts warn.
The Pentagon said it would stay "as long as we need to," defying Syria, Russia and Iran, which see U.S. military presence as illegal.
The group issued a warning to their rivals following the execution.
The Sinai has become a crucial link in a jihadist corridor from Asia to Africa.
Police say 20-year-old wanted to "kill as many people as he could."
Jihadis told village elders to stop collaborating with security forces or suffer the consequences.
As Syrian Kurds build ties with the government to cement their stake, Turkey’s role could threaten their leverage.
Trump lamented "the mess" he inherited in Afghanistan, Iraq, Syria and beyond, but promised "to get it all done."
The group is infighting in the eastern province of Nangahar.
A group of Iraqi hackers is infiltrating ISIS messaging channels and websites.
North Korea called the U.S. "the kingpin of all kinds of terrorism who cannot even prevent terror in its own territory."
The latest propaganda poster shows an ISIS terrorist standing over the pope's severed head.
With double the number of airstrikes of 2016 and 400 U.S. soldiers on the ground, Washington’s role in Mogadishu is expanding.
As Tu-22M3 supersonic bombers blasted the last of ISIS in Syria, Russia announced the new Tu-22M3M fitted with missiles that can soar 130,000 feet and attack 620 miles away.
Russia's Defense Ministry blamed the embarrassing error on a civil service employee, but provided new images it said were "irrefutable evidence" of U.S.-ISIS ties.