there are over a thousand in this united kingdom. i would guess this is a highly symbolic target. the finsbury park mosque has changed its leadership in recent years. but the fact is, trying to put yourself in the mind of the perpetrator, why this mosque. i would submit it is because of its well-known, high-profile kind of -- the fact that it's hosted quite a number of islamist militants in the past. >> well, he is alive. they will be able to speak to him. hopefully that curiosity will be satisfied. how about the how here, phil? we said this is the third, fourth vehicle-motivated crime of this sort. is that about simple convenience, or is there something else's solving? >> i think it is about simple convenience. it is the evolution of terror. back after 9/11 sitting around the threat table, al qaeda was