Boston Marathon Hero or one of the villains?

The time recorded by the shadows allow us to verify whether photo has been composed from several shots taken at different times. Accuracy depends on the quality and number of shadows that can be used for the computations.

BP and a number of regulatory agencies had been found to adulterate (doctor) their “supposedly single shot” photos with deceitful intent. Since these still photo-op sessions (stationary posing rather than actual field emergency situation) could not have been organised by the “terrorists”(before and after the actual bombing itself), it stands to reason they could not have acted in isolation; if indeed they were guilty in setting off the bomb. Obviously the puppet-masters would want the “runners on the ground” dead to break the criminal trail leading to them.