(Salem, OR) -- Salem Police have arrested two suspects in an armed robbery of a convenience store. Monday night, two armed suspects robbed the U.S. Market on 12th Street Southeast. They stole cash and merchandise using a car to getaway. Surveillance video helped detectives identify the suspects. Tuesday afternoon, Salem Police SWAT served a search warrant and arrested 23-year-old Barry Johnson and a 16-year-old boy. The search found two semi-automatic rifles, ammunition, and some of the merchandise stolen during the robbery. The getaway car was stolen.