Ethan Couch: 'Affluenza' teen found with mom in Puerto Vallarta

Authorities said a Texas teenager serving probation for killing four people in a drunken-driving wreck after invoking an "affluenza" defense was in custody in Mexico, weeks after he and his mother disappeared.

Mexico's Jalisco state prosecutors' office said in a statement that its agents had been working with American authorities via the U.S. Consulate in Guadalajara since Dec. 26 to track down and capture 18-year-old Ethan Couch and his mother, Tonya Couch. The office said the two were located and detained Monday evening in a beachside neighborhood of the Pacific Coast resort city of Puerto Vallarta.

After their detention, they were handed over to Mexican immigration authorities for deportation, the statement said.

During the sentencing phase of Couch's trial, a defense expert argued that Couch's wealthy parents coddled him into a sense of irresponsibility — a condition the expert termed "affluenza." The condition is not recognized as a medical diagnosis by the American Psychiatric Association, and its invocation drew widespread ridicule.

The Tarrant County District Attorney's office also told local media outlets that the two had been taken into custody. A spokeswoman for the office could not immediately be reached by The Associated Press for further comment.

Authorities began searching for the pair after Ethan Couch failed to keep a mandatory appointment with his probation officer on Dec. 10, leading authorities to issue the juvenile equivalent of an arrest warrant for him.

Tarrant County Sheriff Dee Anderson has said he believes the two fled in late November after a video surfaced that appears to show Couch at a party where people were drinking. If found to be drinking, Couch's probation could be revoked and he could be sentenced to up to 10 years in prison.

A spokesman for the Tarrant County Sheriff's Department has declined to say whether Tonya Couch is facing any charges.

There was no immediate comment Monday night from the U.S. Marshals Service, which had issued a wanted poster promising a reward of up to $5,000 for information leading to Ethan Couch's whereabouts and capture.

In June 2013 at age 16, Ethan Couch was driving drunk and speeding on a dark two-lane road south of Fort Worth when he crashed into a disabled SUV off to the side, killing four people and injuring several others, including passengers in Couch's pickup truck.

Couch pleaded guilty to four counts of intoxication manslaughter and two counts of intoxication assault causing serious bodily injury. Because of his age, he wasn't certified as an adult for trial and a judge sentenced him in juvenile court to 10 years' probation and a stint in a rehabilitation center.

Anderson was among those critical of the judge's decision not to incarcerate Couch. The sheriff said that the teen has never expressed remorse for his actions and that his case sparked more outrage than any other Anderson has encountered in his law enforcement career.

As The Christian Science Monitor reported at the time, a defense psychologist testified that Ethan’s parents had never set any boundaries for the child, giving him anything he wanted – including his own party pad – while leaving him to essentially raise himself. That left him tragically unable to comprehend the relationship between action and consequence, the psychologist said.

The judge;s ruling caused widespread outrage in a country already steeped in a debate about income and social inequality. Two-thirds of Americans, according to a Pew poll in May, believe social and economic inequality is getting worse in America.

In the aftermath of the ruling, medical experts have also lambasted the ruling, calling the “affluenza” diagnosis a bogus one that sends the wrong message not only to Ethan, but to society more broadly. They say it suggests simply being rich can be a handicap that deserves coddling by a justice system that’s otherwise quick to mete out swift and often harsh justice to poorer defendants who commit even nonviolent crimes.

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Associated Press writer Peter Orsi in Mexico City contributed to this report.