Birth certificates for twin girls leave blank the name of father . Comment: Guzman 's operation is accused of trafficking tons of cocaine into U.S . Coronel carries both U.S. and Mexican citizenship and apparently violated no U.S. laws in traveling to California to give birth , the U.S. official said . Wife Emma Coronel has joint U.S. , Mexican citizenship .
Birth certificates for twin girls leave blank the name of father . Comment: Guzman 's operation is accused of trafficking tons of cocaine into U.S . Wife Emma Coronel has joint U.S. , Mexican citizenship .