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offices across the country. cbs' scott macfarlane has more. >> reporter: near the mountains in rural winchester, virginia, more than 60 miles from the nation's capital, inside a classified federal facility, the fbi has deployed a team of robots. an agency that for more than a century has uncovered crime and secrets has built a home for all the fbi files detailing those crimes and secrets. >> it's just a little bit smaller than two football fields. >> reporter: full of records? >> yes. >> reporter: that's a lot. >> yep. 7.4 million. >> reporter: and to move the unparalleled piles of paper, they built and set in motion a team of more than 100 robotic helpers. that sounds like the world's biggest library. >> in some instances it is. there is a lot of information here. >> reporter: a major investment and upgrade which previously kept its files in storage rooms at locked offices nationwide. they now have one clearinghouse with hardcopies of the files from thousands of cases, from

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