Kotey along with Mohammed Emwazi a.k.a Jihadi John carried out the executions of several captives including Americans James Foley and Steven Sotloff.
The United Kingdom has denounced a video released by the Islamic State that shows five executions of alleged British spies.
The extremist 'teacher' of terrorist aspirants cannot be deported from UK due to the Human Rights Law.
In the beginning of this month, the IS advertised for 10 vacancies, right from a mediaperson to a bomb expert.
