article_snippet: (CNN)Before He was Jihadi John
article_snippet: , He was little Jihadi John -- a young version of the same Mohammed Emwazi who authorities say later became the English-speaking face of ISIS terror.
article_snippet: Contrast that perception with that of the masked, deep-voiced, British-accented man who months ago was dubbed Jihadi John.
article_snippet: There is nothing shy, nothing gentle, nothing playful about Jihadi John.
article_snippet: Jihadi John starred in grisly ISIS videos depicting the beheading of hostages, punctuating Jihadi John horrific actions with taunts at the United States.
article_snippet: A man who says Jihadi John is Emwazi's father told the Kuwaiti newspaper al Qabas that "there is nothing that proves" the man known as Jihadi John is " the man known as Jihadi John son, Mohammed.
article_snippet: A man who says he is Emwazi's father Kuwait-based lawyer, Salem Al-Hashash, told CNN that the family plans to sue anyone who makes the connection, calling Emwazi's father a "victim of libel.
article_snippet: Yet Western authorities have made just such a link.
article_snippet: Western authorities say that the Kuwaiti-born Mohammed Emwazi went from being a typical "boy next door" type growing up in West London to being one of the most high-profile recruits of ISIS, the Islamist extremist group behind a campaign of terror and conquest in Syria and Iraq.
article_snippet: More than a dozen British administrative court documents obtained by CNN indicate that, as far back as 2009, British security services believed the Kuwaiti-born Mohammed Emwazi was part of a radical West London recruitment network for terrorist groups in East Africa.
article_snippet: And in late February, two U.S. officials and two U.S. congressional sources confirmed reports in British and other media that the Kuwaiti-born Mohammed Emwazi went on to join ISIS and is the man known as Jihadi John.
highlights_snippet: U.S. authorities say a young Mohammed Emwazi grew up to be the ISIS terrorist known as Jihadi John .