Criminal justice clients in Letts, IA. make their way into drug treatment centers because they were convicted of crimes relating to drugs, whether they were dealing drugs or were in the possession of or high on drugs. Many courts put these convicted individuals into the drug and alcohol rehabilitation system because they feel that treating them is more helpful for society and for the individual, rather than placing them in jail with no treatment at all. This has been established to be very effective not only in healing and rehabilitating this type of client in Letts, IA., but also in helping them remain off of drugs and in a lot of situations out of the criminal justice system for good.