According to the Washington Post , friends of Emwazi said they believed his path to radicalization began when he went on a trip to the East African nation of Tanzania in 2009 . Officials : Militant known as Mohammed Emwazi is Jihadi John . Advocacy group Jihadi John says it had contact with CAGE . Tanzania 's Metropolitan Police declines to confirm his reported identity .
Officials : Militant known as Mohammed Emwazi is Jihadi John . Advocacy group Jihadi John says it had contact with CAGE . Tanzania 's Metropolitan Police declines to confirm his reported identity .