This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — In a cabinet inside a ...
The US secret service keeps a valuable library of ink samples dating back more than 85 years that has helped solve many crimes. In a cabinet inside a modest laboratory in downtown Washington are rows ...
In a cabinet inside a modest laboratory in downtown Washington are rows and rows of ink samples in plastic squeeze bottles and small glass jars. To the untrained eye, it's just a bunch of blackish ...
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