DAVISBORO, Georgia (41NBC/WMGT) — The Georgia Department of Corrections is investigating the deaths of two inmates at Washington State Prison. GDC confirmed Monday that inmate Courtney Davis died on Saturday. The department says the cause of death is undetermined at this time, but there are no reports of an altercation and no signs of foul play. Davis’ body was turned over to the county coroner and will be taken to the GBI Crime Lab to determine…