The wod. Ive always said that we would do whatever was necessary, whwhatever it took too trackown emwazi. Today i want to thank the united states. Reporter the world first came to joe jihadi john a little over a year ago when he appeared wearing a black mask holding a knife and threatening the life of american journalist james foley. His voice was disguised but he could not hide his british accent. You have plotted against us and gone far out of your way to find reasons to interfere in our affairs. Reporter one after another, he presided over the murders of foley, american Steven Sotloff and pet kassig, plus two britons and then two japanese hostages. Earlier this year, his true identity was revealed to be mohamed emwazi, seen here wearing an american baseball cap, the son of kuwaiti parents who emigrated to the united kingdom. Even as a schoolboy in london, emwazi was spotted by teachers as having a violent streak. One teacher td the bbc at age 11 he was put in anger mamanagement ther