>> for some kids, it takes more than one stint behind bars to learn a lesson. 18-year-old michael brehm is nearing completion of a second round in pendleton. >> i was here the first time for 9 1/2 months. i came back here the second time for the exact same thing. minor consumption, public intox, alcohol problem, over-the-counter cough medicine problem, done a lot of that stuff. >> inside pendleton, military-like structure keeps brehm on the straight and narrow. all offenders must attend school daily. after being locked up for more than two years, michael hopes the six months he spent in pendleton's substance abuse program will give him the skills to stay out for good. >> my groups have helped me quite a bit. the substance abuse groups, they helped me think of things that could keep my time occupied, the reasons why i should stay sober. i'm 18 years old now.