Juana Vidal of Los Angeles hopes to see her son and his family again . Long-lost son , 37 , to finally see mother after 35 years abroad . Son Elesban , his wife , their two girls left the U.S. for Mexico two years ago . Man and wife had arrived in U.S. as undocumented immigrants ; their girls are U.S.-born . About 125 people will seek to enter the U.S. in a dramatic border event Monday .
Juana Vidal of Los Angeles hopes to see her son and his family again . Son Elesban , his wife , their two girls left the U.S. for Mexico two years ago . Man and wife had arrived in U.S. as undocumented immigrants ; their girls are U.S.-born . About 125 people will seek to enter the U.S. in a dramatic border event Monday .