American journalist Austin Tice is still missing four years after the deaths of James Foley and Steven Sotloff.
The Front National leader shared the gruesome images in December 2015.
The mother of El Shafee Elsheikh, 27, from London, has spoken out about her son's transformation.
The lawsuit seeks $90 million in damages for Assad regime's perceived support of ISIS.
The documentary won the Audience Award at this year's Sundance Film Festival.
The mother of James Foley criticized Le Pen politician for posting a graphic photo of ISIS beheading her son on social media.
The Obama administration on Wednesday is expected to change its hostage policy.
Who Were Warren Weinstein and Giovanni Lo Porto, the Hostages Killed in a U.S. Counterterrorism Operation?
Intelligence sources were unaware the hostages were in the terrorist compound targeted in a U.S. drone strike.
The White House declassified information about the deaths of two hostages held by Al-Qaeda, Warren Weinstein and Giovanni Lo Porto.
The hostage Javier Espinosa was held for six months along with James Foley.
Human Rights Watch outlined the dangers faced by Libya's media in a new report.
Protesters hold mock auction of captive women in front of Houses of Parliament and Downing Street
The UN secretary general's envoy to Syria compared the threat facing Kobane to human rights catastrophes in Srebrenica and Rwanda in a special press conference in Geneva
Foley's family protested the use of his image in ads by the American Freedom Defense Initiative
The masked Islamic State militant in the videos depicting the beheading of two Americans has been identified, FBI Director James Comey said on Thursday
Ads to end the "denial" and "willful ignorance" of the jihadist threat are criticized as anti-Muslim, hateful
After the release of 49 Turkish prisoners, the extent of Islamic State's kidnapping is revealed – and ignored
While Western prisoners get all the attention, thousands more have been snatched by ISIS
The terrorist group has commenced a video campaign against the "final campaign of the crusaders"
Cantlie: "I'm going to show you the truth as the Western media tries to drag the public back to the abyss of another war with the Islamic state."
A high-ranking government official threatened to prosecute his mother and brother if they paid ISIS
Islamist radicals killed 17 after skirmishes yesterday gave them a foothold closer to Baghdad
Muslim leaders warn young Britons against joining violent groups in Iraq and Syria