Studies show shockingly large percentages of young black men behind bars or under correctional supervision, feeding popular fears and stereotypes.

A country where one out of 10 adult black males is now living under some form of correctional supervision, including probation and parole.

State laws that make criminal justice debt a condition of probation, parole, or other correctional supervision with failure to pay resulting in arrest and reimprisonment.

On any given day, 30 percent of African-American males aged 20- 29 are "under correctional supervision."

A13 3 of every 100 American men were in jail, in prison or under correctional supervision at the end of 1985, the Justice Department said.

Out of four million people nationwide under correctional supervision, he said as many as 500,000 are candidates for home detention.

The report calls for greatly expanding the protections given to subjects of medical research who are imprisoned or under other forms of correctional supervision.

The percentage of the adult population under correctional supervision has tripled since 1980, he said.

During the decade, there was roughly an annual 4 percent rise in the population under correctional supervision, more than 40 percent from 1990 to 1999.

There were almost two million more people under correctional supervision in 1999 than in 1990.