The United States sends surveillance planes , satellite images to help search . All options are on the table to gain release of abducted girls , official says . The comments come after Boko Haram video claims to show some of the girls . Man thought to be leader in kidnapping said he would sell them for a million dollars if they were released.
The United States sends surveillance planes , satellite images to help search . All options are on the table to gain release of abducted girls , official says . The comments come after Boko Haram video claims to show some of the girls . Man thought to be Boko Haram leader says he 'll exchange the girls for prisoners .