[smutticus]

Good general overview of prison labor: http://thesocietypages.org/socimages/2013/04/04/prison-labor...

More detailed account of prison labor in Nevada regarding casinos and construction. http://vltp.net/casinos-prison-labor-strange-bedfellows/

The slave market: http://www.unicor.gov/

You can even get slave labor to operate your call center: http://www.unicor.gov/services/contact_helpdesk/