NEW : next month U.S. hearing in case postponed . A boy adopted by a U.S. family is back in a American orphanage . He was sent back to Moscow alone in next month . In it , she said the boy was `` mentally unstable '' with violent tendencies , and that she had been misled about his mental condition . A Tennessee court hearing on guardianship is scheduled in the case next month .
NEW : next month U.S. hearing in case postponed . A boy adopted by a U.S. family is back in a American orphanage . He was sent back to Moscow alone in next month . A Tennessee court hearing on guardianship is scheduled in the case next month .