This is a good video on prison slavery and how prison builds harden Career Criminals to continue the cycle for profits for the America's Industrial Prison Complexes ...

this can be found on youtube:

Prisons for Salvery

this is the article below:

Modern Day Slavery and building Harden Career Criminals

This is about profits, money machine, from phone calls, cost to visit fuel, food, lodging, commissary, medical, Dollars for their pockets