We're going to turn to the shocking light sentence in a deadly drunk driving case. A texas teen given no jail time for a crash that killed four people back in june. The victims' families are stunned....
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We're going to turn to the shocking light sentence in a deadly drunk driving case. A texas teen given no jail time for a crash that killed four people back in june. The victims' families are stunned. And abc's reena ninan has the story. Reporter: Anger and sadness. Overnight, family members reacting to a judge's surprising decision. It was an alcohol-fueled joyride that ultimately led to four people being killed. Sheriff county 911. What is your emergency? There's a multicar accident in front of my house. Reporter: And now, the 16-year-old behind the wheel, ethan couch, won't be serving a single day in jail. He may think he's gotten away with something. But he hasn't gotten away with anything. Reporter: Instead of the 20-year sentence texas prosecutors were hoping for, late tuesday, juvenile court judge gave couch ten years probation. He pleaded guilty to intoxication manslaughter. His blood alcohol level was three-times the legal limit. And he was driving almost twice the speed limit when he crashed his dad's pickup into the victims. This week, couch's counsel says he suffers from aafluns. He didn't realize his actions would have consequences. Teaching him to be a responsible citizen. That's a consequence. Reporter: Now, couch will check into a nearly $500,000 rehab program in california. Dad and mom will foot the bill. He's not allowed to see them for two years. The victims' families argue, they'll never see the loved ones he took away. My wife and daughter are gone. And there were no consequences. Reporter: For "good morning america," reena ninan, abc news, new york.
This transcript has been automatically generated and may not be 100% accurate.