DALLAS -- Authorities are investigating whether a teenager who killed four people in a 2013 drunken-driving wreck - and claimed as part of his defense that he suffered from "affluenza" - has fled with his mother to avoid a potential violation of his probation.
Prosecutors said Wednesday they're trying to determine whether Ethan Couch, 18, was one of the people drinking at a party in a video posted on social media earlier this month.
Lawyers for Couch issued a statement saying his probation officer hasn't been able to reach him for several days, prompting authorities to issue the juvenile equivalent of an arrest warrant for the teen. They're also seeking the boy's mother, Tonya Couch, with whom he had been living.
Sam Jordan, spokeswoman for the Tarrant County district attorney's office, said investigators with Tarrant County Juvenile Services and with the DA's office are searching for the two. DA investigators are working to verify whether it's Couch who's seen in the video, she said.
When Couch was prosecuted in juvenile court, his lawyers invoked the affluenza defense that claimed his irresponsible lifestyle was due to wealthy parents who coddled him. He was later sentenced by a judge to probation and time in a rehabilitation center - a punishment that drew protests from prosecutors and others.
Although Couch is now considered an adult, his case remains in juvenile court because his offense occurred when he was a minor. The DA's office has filed a motion to move it to adult state District Court when Couch turns 19 in April. A hearing has not been scheduled to consider the motion.
"We're limited on what can be released because for now it remains a juvenile matter," Jordan said.
The case against the teen has generated outrage at various turns, with even the Texas Legislature at one point weighing in.
A pickup driven by Couch in June 2013 was travelling at more than 65 mph along a dark, two-lane road south of Fort Worth when it barreled into a disabled vehicle and a group of people who had stopped to help the stranded motorist.
Couch was 16 at the time. His blood-alcohol level was three times the legal limit for an adult and there were traces of Valium in his system.
Among the dead were a youth pastor and a woman and her daughter. Twelve others were hurt, including two critically injured teens who were among seven people riding in Couch's pickup.
One of the attorneys, Reagan Wynn, did not return a call for comment Wednesday.
In the months after the wreck, Texas Lt. Gov. David Dewhurst asked the Senate Committee on Criminal Justice to review how probation sentences are issued in adult and juvenile cases of intoxication manslaughter.
Texas authorities seek teen who invoked 'affluenza' defense
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