**_Crime drama set in Georgia of the late 40s with Andy Griffith and Johnny Cash_** In 1948, a wealthy landowner in Meriwether County (Griffith) controls the Sheriff and the citizens, but when he flaunts his power in neighboring Coweta County, the no-nonsense Sheriff comes after him (Cash). “Murder in Coweta County” (1983) is a well-done period piece based on the true story, also called “Last Blood.” It’s similar to “Mississippi Burning,” which came out five years later (and no doubt influenced it), just with the television budget of “Murder in Mississippi” (1990), which is the unofficial…