Today in 1865 the US Secret Service formed to stamp out counterfeit money. As part of that effort, it has the International Ink Library, tens of thousands of vintage and modern inks to help investigators sort out what’s what. Plus: a vice president's kid chooses an unusual Secret Service code name.
US Secret Service Laboratory Studies Ink to Solve Crimes (VOA News)
Secret Service’s ink library helps agents foil kidnappings, counterfeiters (SFGATE)
11 Great Secret Service Code Names (TIME)
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