They seem to be during a.m. rush hours. I read on quite a few posts that the times of the London, Madrid and 9/11 attacks were the same but I don't see that. I think the a.m. rush hour is the key here.
2,104 posted on 07/07/2005 6:03:27 AM PDT by 4everontheRight
(Criminals feed on the indulgence of society's understanding)