carry out the attack which then followed. it seems that despite time served, despite the benefit of the doubt, if you like the attempted rehabilitation and reintegration which being a licensed in probation is supposed to promote, he was a man who was determined to do harm. and that's what happened just over my shoulder here, you can see, my shoulder here yesterday, that tent that you can see on the left side of your frame, that's where khan was initially pinned down. and then moments later shot dead by police. michael. >> all right, phil black there in london for us. appreciate it, phil, thanks so much. and will guinness is managing director of international corporate protection joins us now from london. and thanks for doing so. it really does seem stunning that a man convicted of terror activity released on license while obviously still a threat. should he have been monitored --