MI6, but yes.

I thought the same thing when I read the article. I wouldn't be surprise if they've done the same thing with countless other undercover agents and even some other leaders cough Bin Laden cough

Jihad John and all the rest of the terrorists in ISIS are under the control of the Israeli Mossad. Their sole purpose to keep the Muslims and Arabs fighting each other so the Jewish state (JSIL) can continue stealing more land.