DALLAS (AP) — A Texas teenager who was deported to Colombia after claiming to be an illegal immigrant was back in the United States on Friday and at the center of an international mystery over how a minor could be sent to a country where she is not a citizen.

The 15-year-old’s family has questioned why U.S. officials didn’t do more to verify her identity and say she is not fluent in Spanish and had no ties to Colombia. While many facts of the case involving Jakadrien Lorece Turner remain unclear, U.S. and Colombian officials have pointed fingers over who is responsible.

Immigration experts say that while cases of mistaken identity are rare, people can slip through the cracks, especially if they don’t have legal help or family members working on their behalf. But they say U.S. immigration authorities had the responsibility to determine if a person is a citizen.

“Often in these situations they have these group hearings where they tell everybody you’re going to be deported,” said Jacqueline Stevens, a political science professor at Northwestern University, who is an expert on immigration issues. “Everything is really quick, even if you understand English you wouldn’t understand what is going on. If she were in that situation as a 14-year-old she would be herded through like cattle and not have a chance to talk to the judge about her situation.”

Jakadrien was on a flight from Atlanta and would be in Dallas by evening, her mother, Johnisa Turner, told the Associated Press. She had said earlier that she planned to meet her daughter when she arrives in the city.

“Our day has been hectic, hers is, too,” Turner said. “Just as long as she makes it home, just as long as she gets here.”

Turner said she has “a gazillion questions” for Jakadrien. Federal and local officials may have plenty, as well.

The saga began when the teen ran away more than a year ago. Jakadrien’s family said she left home in November 2010. Houston police said the girl was arrested on April 2, 2011, for misdemeanor theft in that city and claimed to be Tika Lanay Cortez, a Colombian woman born in 1990. It was unclear if she has been living under that name.

Houston police said in a statement that her name was run through a database to determine if she was wanted by Immigration and Customs Enforcement but the results were negative. She was then turned over to the Harris County jail and booked on the theft charge.

The county sheriff’s office said it ran her through the available databases and did the interviews necessary to establish her identity and immigration status in the country, with negative results. A sheriff’s office employee recommended that an immigration detainer be put on her, and upon her release from jail she was turned over to ICE.

U.S. immigration officials insist they followed procedure and found nothing to indicate that the girl wasn’t a Colombian woman living illegally in the country.

An ICE official said the teen claimed to be Cortez throughout the criminal proceedings in Houston and the ensuing deportation process, in which an immigration judge ultimately ordered her back to Colombia.

Standard procedure before any deportation is to coordinate with the other country in order to establish that person is from there, the ICE official said.

The ICE official, speaking on condition of anonymity due to not being authorized to discuss additional details of the case, said the teenager was interviewed by a representative from the Colombian consulate and that country’s government issued her a travel document to enter Colombia.

Jakadrien was issued travel documents at the request of the U.S. National Security Agency and with information submitted by U.S. officials, the Colombian Ministry of Foreign Affairs said. Colombian officials are investigating what kind of verification was conducted by its Houston consulate to issue the temporary passport.

The girl was given Colombian citizenship upon arriving in that country, the ICE official said.

According to the Colombian Ministry of Foreign Affairs, the girl was enrolled in the country’s “Welcome Home” program after she arrived there. She was given shelter, psychological assistance and a job at a call center, a statement from the agency said.

“If she looked like an adult, and she told them she was a 21-year-old Colombian citizen, and she didn’t show up in their databases, this was inevitable,” said Albert Armendariz, an immigration attorney from El Paso.

Jakadrien’s family says they have no idea why she ended up in Colombia. Johnisa Turner said the girl is a U.S. citizen who was born in Dallas and was not fluent in Spanish. She said neither she nor the teen’s father had ties to Colombia. Jakadrien’s grandmother, Lorene Turner, called the deportation a “big mistake somebody made.”

“She looks like a kid, she acts like a kid. How could they think she wasn’t a kid?” Lorene Turner asked on Thursday.

Lorene Turner, a Dallas hairstylist, said she spent a lot of time on the Internet trying to track down Jakadrien.

Ultimately, the girl was found in Bogota by the Dallas Police Department with help from Colombian and U.S. officials.

Dallas Police detective C’mon (pronounced Simone) Wingo, the detective in charge of the case, said she was contacted in August by the girl’s grandmother, who said Jakadrien had posted “kind of disturbing” messages on a Facebook account where she goes by yet another name.

Wingo said the girl was located in early November through her use of a computer to log into Facebook. Relatives were then put into contact with the U.S. embassy in Bogota to provide pictures and documents to prove Jakadrien’s identity.

Colombian officials said when the government discovered she was a U.S. citizen and a minor, it put her under the care of a welfare program.

State Department spokeswoman Victoria Nuland said the case was brought to the State Department’s attention in mid-December.

“We didn’t have any involvement at all in this case until it came to light that there may be a problem with an American minor in Colombia, and that — and then we became involved both with Colombian authorities and with folks in Dallas,” Nuland said.

Stephen Yale-Loehr, who teaches immigration law at Cornell Law School, said hundreds of U.S. citizens are wrongfully detained or deported each year.

“There are a variety of legitimate reasons why somebody might not appear to be a U.S. citizen at first glance.” he said. “It’s the duty of the U.S. federal immigration agency to make sure that we do not detain and deport U.S. citizens erroneously. And this, unfortunately happened in this case.”

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Llorca reported from El Paso, Texas. Associated Press reporters Cesar Garcia in Bogota, Colombia, and Sandy Kozel and Matthew Lee in Washington, D.C., contributed to this report.

Copyright 2012 The Associated Press.