CSO arrest suspect in S'port gas station robbery

SHREVEPORT, LA (KSLA) -Caddo Parish Sheriff's officials have now identified and arrested a suspect in a Shreveport gas station armed robbery. Caddo deputies have arrested 48-year-old Melvin Johnson in connection to the robbery of the Exxon gas station, located in the 5800 block of North Market St. on Wednesday.
Johnson is currently being held at the Caddo Correctional Center and is facing an armed robbery charge.
Deputies released surveillance video which shows Johnson entering the gas station. 
According to Caddo deputies, Johnson entered the store to purchase a pack of cigarettes, but did not buy, but came back 30 minutes later, pulled out a handgun and demanded money and a carton of cigarettes.
Deputies also say Johnson allegedly threatened to kill the clerk, but was interrupted when a customer came into the store and that's when Johnson allegedly fled the scene on foot.