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You record 3 years of the earth from different focal lengths using a grid of satellites and then rotate the data every three years after. Ten year shelf life on the past, those who pay can preserve locations longer. You get no crime unpunished and free and accessible documentation of public transportation and presence but you move forward as if confident the people you are protecting with this device from here on out did not obtain what they have by illegal means and are in fact criminals themselves. So it's an ethical question as well as a type of chess move. The other side is selling it to many countries of the world who would like the indisputable accountability but lack the means to pay.