Khanafghan is right that this is a much bigger game than it appears and much more complicated too. Why do you think that inspite of all the warnings and information given to BB she decided to come back? I am sure she must have been provided some sense of security. I do remember that Govt. of Pakistan had also informed her and asked her not to make public appearence especially after the blasts at Karach airport, she had been requetsed ,as I have heard in one of interviews of Pervaiz Musharraf, to delay her arrival because of safety concerns. I do not know what is the role of the different players but some have been used,some are like bystanders and some misguided but the real players are behind the scenes and deep covers, that will be a real hard task to uncover. Also this is a roundabout way to try to blame ISI, InshaAllah it will fall flat on it's face.