dead. he spent six years in prison for planning to his bombed the new york stock exchange. was released last december under probation under strict conditions which he abided to so far but many are questioning why kahn was released so early per by mr. boris johnson said it was a mistake allow violent criminals out of prison earlier. to me it does not make sense for us as a society to be putting people convicted of terrorist offenses as serious violent offenses out an early release and we argue people should serve their term of what their sentence. police are searching as part of the investigation. they are trying to establish how the convicted terrorist was allowed to strike so easily in the heart of london. isis has claimed responsibility for the attack but that claim has not been independently verified at least in the uk