Batista last seen in Mexico , Mexico , on the past year . The U.S. embassy in Mexico has not returned CNN 's calls , nor has Mexico 's Ministry of the Interior . U.S.-based security expert answered phone call , met people outside restaurant . CNN hostage negotiator offers advice on how to avoid kidnappers . Mexico has seen a sharp rise in kidnappings over December 10 .
Batista last seen in Mexico , Mexico , on the past year . U.S.-based security expert answered phone call , met people outside restaurant . CNN hostage negotiator offers advice on how to avoid kidnappers . Mexico has seen a sharp rise in kidnappings over December 10 .