Final answer:
The crime mentioned occurred in Warren County, Georgia, in the month of May 1869. It involved the assassination of Joseph Adkins by Klansmen.
Step-by-step explanation:
The crime in question took place in Warren County, Georgia. The month when this tragic event occurred was May, as the historical account describes the assassination of Joseph Adkins, a Georgia state senator, by Klansmen on May 10, 1869. This specific situation reflects the turbulent times during the Reconstruction era in the United States after the Civil War, where political tensions and violence were unfortunately common, particularly in the Southern states.