End of the Road 20/20 : Season 39 Episode 18

20/20 updates the story of Ethan Couch a teenage drunk driver who killed four pedestrians, but later was sentenced to probation due to his "affluenza." Last month Ethan and his mother skipped to Mexico after video surfaced of Ethan violating his probation. They were arrested in Puerto Vallarta and Ethan sits in a Mexican jail fighting deportation.