U.S. Prison, Parole Population Soars to New Highs: "A record-setting 6.9 million adults, or one in 32 Americans, were in prison or on parole last year, about 131,000 more than in 2002. Of those on probation, 25 percent were convicted of a drug violation.
Justic Department Study - http://www.ojp.usdoj.gov/bjs/abstract/ppus03.htm"
