Who was Henry Grammer? What was his role in the Osage oil murders? Henry Grammer was a bootlegger who worked in the Osage, Oklahoma, area during the Reign of Terror. Henry Grammer’s true role in the conspiracy remains unknown, as he died suspiciously during the investigation. But, he’s believed to have participated and recruited other participants. Continue reading to learn about Henry Grammer.
Was Henry Grammer a Killer? (Killers of the Flower Moon)










