New ISIS video claims British hostage killed
04:54NBC News Foreign Correspondent Ayman Mohyeldin talks with Alex Witt about a new unconfirmed video released early Sunday by ISIS that purports to show Peter Kassig, a British aid worker, beheaded.
NBC News Foreign Correspondent Ayman Mohyeldin talks with Alex Witt about a new unconfirmed video released early Sunday by ISIS that purports to show Peter Kassig, a British aid worker, beheaded.