A Waynesboro man is behind bars this morning, and officers there say he's the skull-masked robber. The Waynesboro Police Department arrested Christopher Walker for an armed robbery at the Pay Day Loan in North Augusta Monday night. They caught him with posession of cocaine in a routine traffic stop, and realized he, and his su.v. fit the description of the suspect in that robbery. Once he's extradited to South Carolina, Walker will face a number of charges related to several armed robberies in the area. Police have also arrested the woman -- who they believe-- drove the get-away car.