The American teenager derided for a defense of "affluenza" in the killing four people while driving drunk arrived back in Texas on Thursday after being deported from Mexico and was placed in juvenile detention.

After his flight landed, Ethan Couch, 18, was seen with his hands behind his back being escorted by uniformed officers through the Dallas-Fort Worth airport. He was wearing a hooded sweatshirt and had grown a beard.

About an hour after touching down, he was placed in a Tarrant County juvenile detention center, where the local sheriff said he was calm and being fed.