Add Us On Google Add as a preferred source on Google ATLANTA, Ga. (Atlanta News First) - Cobb County police said a third suspect has been arrested in a deadly shooting at a Norfolk Southern rail facility last month. Around 10 p.m. on Sept. 14, Curdravious Clark - a 27-year-old Norfolk Southern contractor - was shot to death at the company's Austell rail yard on Dr. Luke Glenn Garrett Jr. Memorial Highway, where crews move shipping containers between trucks and trains daily. Police have not released details on the circumstances of the killing. Just over a week later, two suspects, 26-year-old Michael Antwaun Riles and 28-year-old Keondre Darrell Johnson, were arrested on several charges, including murder. PREVIOUS COVERAGE: 2 arrested for murder in shooting at Norfolk Southern facility in Austell On Thursday, Cobb County police said a third suspect, 27-year-old Ty Anthony Thompson, was arrested by deputies with the Escambia County, Florida, sheriff's office. Thompson is charged with felony murder and aggravated assault. He is being held in Escambia County pending extradition. This is a developing story. Check back with Atlanta News First for updates. MORE COVERAGE: Contractor shot to death at Norfolk Southern rail facility, company says #atlantanewsfirst #crimewatchatlanta