Affluenza teen" Ethan Couch on Monday was released after two years behind bars.<br />Couch gained infamy after driving drunk and killing four people in 2013.<br />A psychologist testifying for the defense at his trial placed blame on his "affluenza."<br />"Affluenza" prevented him from knowing right from wrong.<br />He was sentenced to rehab and probation.<br />But he got 720 days in jail for violating probation. <br />
