These issues include an increase in drunk driving and decreased arrests for it while at the same time drug related arrest have increased. In addition, government spends more to incarcerate the offenders, whom are more likely to re-offend, rather than to spend on the drug treatment which proved to be an affective practice in drug offence prevention. The research studies by the Rand Corporation and others suggest, “[cost effective drug] treatment [programs] was estimated to reduce crime associated with drug use and the drug trade up to 15 times as much as incarceration” However, Stevenson adds, several states have adopted drug treatment policies which resulted in the decreased incarcerations for the first time in the last 38