PDF - http://www.ppic.org/content/pubs/cacounts/CC_806ABCC.pdf
Amanda Bailey and Joseph M. Hayes
"Shows that California’s prisoners aren’t who they used to be. The comprehensive demographic analysis reveals a prison population that is not only larger but changing dramatically. Some of the major changes have unsettling implications, including potentially prohibitive health care costs for an aging inmate population and the social welfare consequences of incarcerated women with minor children."