ISIS Claims To Have Beheaded American Hostage

ISIS released a video Sunday of a masked militant standing over a severed head it claimed was Peter Kassig, a former U.S. soldier-turned-aid worker who was taken hostage while delivering relief supplies to Syrians caught in that country’s brutal civil war.

Hours later, the White House confirmed Kassig’s death after a review of the video, which also showed the mass beheadings of a dozen Syrian soldiers. The 26-year-old Kassig, a former Army Ranger who returned to the Middle East to help wounded and displaced Syrians. With Kassig’s death, the Islamic State group has killed five Westerners it was holding.

ABC’s Tom Rivers joined us from London:

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