Medford Police on Monday arrested a local man they believe was responsible for the robbery of the Metro-PCS store on Main Street last week.

Vasilios Vintos, 25, 948 Highland Ave., Medford, was arrested on June 13 and charged with robbery, armed and masked, conspiracy and witness intimidation (interfering with a police investigation.)

According to reports, police responded to a call for an armed robbery at the 397 Main St. business on June 6, shortly after 4 p.m.

Witnesses at the phone store said a white man, wearing tan cargo shorts, a camouflaged hooded jacket and a bandana over his face and the hood of the jacket up, entered the store and waved a knife at employees, demanding money.

Police say the man held the knife to one employee while telling the other to give him money out of the register as well as from a safe in a back room.

Investigators say vital evidence collected by the first responding officer, led detectives to gather evidence that Vintos was the mastermind behind the robbery. He was also the employee told to get the money from the register and safe.

Police now say that witness statements and other evidence at the crime scene have led them to believe the actual robber had a second accomplice with him.

Officers say that while the investigation is on going, they believe more arrests are forthcoming from the incident.