. >> the reverend joseph henin is a roman catholic priest and psychologist who runs daytop new jerseysidential drug and alcohol treatment program for teenagers. >> it's a high that makes the kids feel like everything is okay. there is no problem. it mellows them out. and heroin is extremely available to the suburban kids today. parents don't like to believe that. >> heroin is a drug that takes away all your emotions. when you're on it you don't feel anything. if there is any pain or hurt in your life at that point you don't feel it at all and i just love that feeling because i had nothing to worry about. >> the problem is, once most heroin users become addicted to the drug, eventually the only way to satisfy their habit is with a needle. >> my parents were really shocked because i was basically what you would call a functioning addict for almost three years because i went through three years of high school and they had no clue what was going on. i was using the whole time. i played football. i was getting good grades. there was no signs really to give them any idea that i was, you kno