(CNN) - A Bulgarian woman says she may be the mother of the mystery girl in Greece, known only as Maria.
Police are testing her DNA to see if it matches the child's. The woman told Bulgarian investigators that she left the girl in Greece with a family she worked for in 2009. Maria was removed from a Roma couple last week. They face child abduction charges but insist they are innocent.
The mystery of "Maria," who is believed to be 5 to 6 years old, prompted an international search for the girl's biological family and answers to how she ended up in a Roma community in central Greece.