[Seizethecarp]

“And it was apparently been observed that hours before the attack there activity to set up suspicious road blocks and check marks around the complexes???”

Tactically this could be not only to intercept reinforcements but also to prevent any Al Qaeda prisoners from being spirited out the back way by CIA in the “consulate” if the attackers were not sure where the prisoners were being held.

[danamco]

As far as I heard that was done to locate the precise spots where to placing the fire arms aimed at the two locations!!!