A woman who robbed a RadioShack in Silver Spring was arrested after she tried to use a taxi cab as a getaway vehicle, Montgomery County police said.

Around 9 p.m. Thursday, police responding to a report of an armed robbery at 8213 George Ave. and saw a woman who matched the description of the suspect hop into a taxi.

The suspect was described as a female wearing black pants, a black hooded sweatshirt and a black ski mask. She used what appeared to be a handgun.

The officer pulled the taxi cab over. Inside the passenger's book bag, police said they found money and property taken during the robber, and a silver lighter shaped like a handgun.

Shawnese Taylor, 21, of Great Mills, Md., was charged with armed robbery.