Its a simple process -
You come here and commit serious criminality then you forfeit your right to enjoy a peaceful life in the UK.
Likewise you go somewhere else and do the same you forfeit your right to come back to the protection offered by the UK.
I`m not sure "led astray" really covers conversion to Islam and signing up for IS, although I can understand why his parents tried to help him out.
Sadly we solved our problem by dumping him on Canada when remaining a guest of the Kurds was probably more appropriate.
Back on track..............the Golders Green attacker, Essa Suleiman, was jailed in 2008 for stabbing a police officer and his dog in Swindon.
He was sentenced to nine years for grievous bodily harm and served at least half of that term.
If his citizenship had been revoked then and he was living in Somalia this conversation wouldn`t be happening and two folk wouldn`t have been stabbed.