A Limestone Tennessee Man Who Admitted To Holding A Convenience Store Clerk Hostage During A Six-Hour Police Standoff Has Been Ordered To Spend Time In Prison. Marc Christopher Skeen Plead Guilty In June To Robbery And Discharging A Firearm. A Judge Ordered Him To Serve 20 Years In Prison With Five Years Of Probation Upon His Release. Skeen Discharged A Firearm Through His Windshield As He Arrived At The Store, Firing Two More Rounds Through The Store’S Door Before Entering And Robbing The Business. No One Was Injured In The Incident.