A robbery murder case is moving forward since court testimony on Tuesday led to a judge deciding to continue with the case against a father and son accused in a deadly Johnson City robbery.41-year-old, Mark Anthony Sexton Jr., and his 18-year-old son, Mark Anthony Sexton III have been charged with first-degree murder and especially aggravated robbery. The charges are in connection to the robbery of a Johnson City Roadrunner and the death of the clerk, 23-year-old Tava Woodard.