The famed "affluenza" teen, Ethan Couch, has retained a lawyer and is fighting extradition to the United States after he and his mother were captured in Puerto Vallarta, Mexico last week. Couch is the Texas teenager convicted of killing four people while driving drunk in 2013. His mother, Tanya, allegedly helped her son evade capture for violating the terms of his parole. NBC’s Kerry Sanders provides the latest information on the case.Jan. 4, 2016