If I own a private prison, why can't I "abuse" the strongest most violent prisoners as my source of free labour?

aldine96

The thirteenth amendment literally allows slavery as long as it's prisoners punished for a crime and I kind of want to own and operate a drug, vegetable, fruit, hemp, cotton, and brazilian tree plantations and use the biggest strongest most violent convicts as my free labor and hire some overseers to whip them and torture them if they fail to work or disobey their overseers orders or my higher orders.

If I own a private prison, why can't I "abuse" the strongest most violent prisoners as my source of free labour?
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