they do show a discipline (as in: a system of rules of conduct or method of practice; “he fairly quickly learned the discipline of prison routine”; “for such a plan to work requires some discipline indeed”), they want to make sure not to appear as terrorists after being bombed so far.
the man must be around, said sponge, i don’t think he would be hanging out in a queue for any length of time. not him as being the offally bomber.