Myrtle Beach police charged Rolando Omar Vela with Armed Robbery, Kidnapping and Possession of a Handgun during the Commission of a Felony.
Police were called to an armed robbery at the Domino's Pizza at 5335 N. Kings Highway about 11 p.m. Sunday.
Officers say two people robbed the store and ran away.
One of the suspects matched the description of a man police say was involved in six other armed robberies in the city.
Police found that suspect not far from the store, nervous and sweaty and he admitted having a gun, officers say.
Police arrested him and say he admitted to the six other robberies at Tienda Mexicana, Dollar Tree, Hungry Howies, two different Dollar General stores and Mexican Store.