SAN DIEGO - A U.S. official says the daughter of one of the world's most sought-after drug lords didn't share information that might lead to her father's capture after she was held in San Diego on an immigration violation.

The official said Tuesday that the arrest of Alejandrina Gisselle Guzman-Salazar has been "a dead end" in the search for Joaquin "El Chapo" Guzman, the elusive leader of Mexico's Sinaloa cartel. The official spoke on condition of anonymity to discuss an investigation that has not been made public.

The 31-year-old woman was charged Monday with fraud and misuse of visas, three days after authorities arrested her at San Diego's San Ysidro port of entry, the nation's busiest border crossing.  

Federal documents say Guzman-Salazar tried to cross the border to give birth to her baby in Los Angeles.

"I think that it's outrageous that anyone would come to this country for that reason," said former U.S. Attorney Pete Nunez.

Last year, Guzman's wife Emma Coronel, who holds U.S. citizenship, traveled to Los Angeles and gave birth to his twin girls.

"Just one more sign of how dysfunctional and chaotic our immigration system is," said Nunez.

Guzman-Salazar is now being held in a secret location with no chance for bail.