• The ISIS militant known as Jihadi John has been unmasked.

The ISIS militant known as Jihadi John has been unmasked. (Photo : Reuters)

BBC got firsthand information about ISIS butcher Jihadi John, whose real name is Mohammed Emwazi, from his teacher in Quintin Kynaston academy about his early years of anger management.

The teacher who asked to have her identity withheld for safety purposes confirmed that he has had anger management therapy at his secondary school in north-west London. She also said that she remembered Emwazi as a "lovely boy" who "had a real willingness to succeed" despite early signs of behavioural problems.

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Also, according to Independent, the teacher believed that Emwazi was a success story of their school. She continued praising the boy by saying that Emwazi went on to achieve everything that he wanted and going to his chosen University.

The teacher also mentioned that she saw him from the start, from an angry little sixth grader to a blossoming young adult until he left for the University. That is why she was very surprised to know the news that his former student was the one responsible in the brutal execution videos of the Islam extremist group ISIS.

The interview with the teacher saying that they will find Emwazi gets angry easily and will work up and will take some time for the boy to finally calm down. In order to help the young kid, the teacher had given Emwazi tasks at school to help him control his anger and his emotion, in which the teacher believed, worked for Jihadi John.