El Shafee Elsheikh, a former British citizen accused of taking part in a brutal ISIS hostage-taking scheme, has been convicted in a federal court in Virginia of assisting in the kidnapping and deaths of four Americans between 2012 and 2015.
Moazzam Begg, a former prisoner at Guantanamo Bay prison, says he offered to help negotiate the release of British hostage Alan Henning. Instead, the British Foreign Office ignored him for months.
ISIS militants released a graphic video of the beheading of American aid worker Abdul-Rahman Kassig and 18 Syrian prisoners this weekend. The footage was shocking, but also revealed faces and locations of the executioners in a move to incite the US and other Western countries.
Jordan Matson, from Racine, Wisconsin, was once a soldier in the US Army. Today Matson is a volunteer fighter with a Kurdish militia in northern Syria, fighting against ISIS and hoping to bring more Americans over to join the war.
The family of James Foley, the American journalist beheaded by members of ISIS say hearing stories of their son's last days of his life was like being a rainbow after a rain storm.
President Obama has committed the US to war with the Islamist militants of ISIS, but he has also limited his military options. Newsweek's Middle East editor thinks the effort might be too little, too late.
National security experts agree that ISIS is bad news, but is it such bad news that it warrants an American military intervention? With President Barack Obama set to address the nation on Wednesday, suggest further actions might be a mistake.
When Steven Sotloff's friends discovered he was being held captive by ISIS militants, they set out to hide any reference to the fact that he was Jewish and a dual American-Israeli citizen — and succeeded.
Turkey, NATO's southern flank, shares a border with ISIS extremists. For years, that border has been easy to cross, allowing foreign fighters to stream into Syria. Now, with ISIS on the rampage, Turkey is trying to shut down the border, but it may be too late.
Steven Sotloff, an American reporter held for more than a year after his capture in Syria, appeared to be the victim of an execution by the Islamist militant group ISIS. After being shown in the recording of journalist James Foley's killing, Sotloff's murder was also filmed and distributed on the Internet.
Bellingcat is a new website for citizen journalists to do what you might call social media detective work. On the site, bloggers and journalists use crowdsourcing, geolocation and reviewing satellite images to gather intelligence in conflict zones around the world.