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The Babylonians, one of the earliest civilizations, were the first to use fingerprints to differentiate people, but it wasn't until the 19th century that prints were used for crime fighting. Ever since, analyzing, classifying and collecting fingerprints to catch criminals and positively identify people has advanced, but is it valid? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.