FORT WORTH (CBSDFW.COM) – A judge has revoked bond for the 50-year-old mother of a teenager who used an “affluenza” defense regarding a fatal drunken-driving wreck.

Tonya Couch was arrested earlier today on a probation violation.

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She was booked into the Tarrant County jail Wednesday. Court documents show that she failed a urine test required as a condition of her bond but don’t specify the substance the urinalysis revealed.

Tonya Couch – mug shot May 26, 2016

According to her book-in sheet, Couch faces money laundering and hindering apprehension charges related to events in 2015 when she ran to Mexico with her son.

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Ethan Couch is set to be released from jail next Monday.

(credit: Tarrant County Jail)

The 20-year-old who as a teenager used an “affluenza” defense regarding a drunken-driving wreck that killed four people was sentenced to probation. But he violated that probation when he ran to Mexico and has served nearly two years in jail.

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He’s set for release on April 2.