NIJ Research Report. Bureau of Justice Statistics Bulletin.
Drug offenses refer to both possession and trafficking charges.
Although not explicitly stated in available literature, it is reasonable to assume that all drug court participants are drug involved. Comparing Federal and State Prison Inmates, 1991. Prison and Jail Inmates at Midyear, 1997. It is assumed that these estimates, based on the most recently available data, are conservative, given the increases in drug related arrests and convictions from 1991-1997. Other indicators have been used by other authors.