Abe Lincoln's corpse; Lincoln himself was assassinated before he could sign a bill authorizing the creation of a William Patrick Wood-led organization chartered to fight this crime.  
In 19th century America, people who committed this crime would often work with associates known as passers and shovers.  In the early 19th century, families who specialized in this crime worked on Cogniac Street in Montreal.  It doesn't have to do with oil, but this crime was easier in the era of untrustworthy "wildcat" organizations along the American frontier.  A man convicted of this crime, Benjamin Boyd, was to be ransomed in a plot to steal (*) Abe Lincoln's corpse; Lincoln himself was assassinated before he could sign a bill authorizing the creation of a William Patrick Wood-led organization chartered to fight this crime.  Jews in the Sachsenhausen concentration camp were forced to commit this crime as part of Operation Bernhard, the Nazi plot to ruin the British economy.  Investigating this crime was the original mission of the Secret Service.  For 10 points, name this crime, which is countered by placing special strips in US greenbacks
In 19th century America, people who committed this crime would often work with associates known as passers and shovers.  
counterfeiting [or forging money; or counterfeiting US currency; or counterfeiting British currency] 