The advent of the Keyhole satellite program nearly 30 years ago provided the United States with the capability to digitally observe events on Earth in near “real time”. Exponential advances in computer processing power have subsequently provided refinements that allow these “spies in the sky” to observe the Earth regardless of cloud cover, inclement weather and darkness. Using infrared cameras, radar and advanced sensing lenses, they can resolve images approaching a single inch in diameter.
~ Keith Melton Spies in the Digital Age CNN

Yet despite this astounding technology, Bush claimed he had no idea where Osama bin Laden was, and Americans believe it is impossible to intercept illegal immigrants or to track the perpetrators of drive by shootings, or hunt down kidnappers.