Prisoners in the US are part of a hidden workforce linked to hundreds of popular food brands

AP - A two-year AP investigation found that everything from grains, eggs, beef and milk have been grown, harvested or produced by incarcerated people. They are among America’s most vulnerable workers, some getting pennies an hour or nothing at all. If they refuse to work, they can jeopardize their chances of parole or face punishment. They also are often excluded from protections guaranteed to almost all other full-time workers, even when they are seriously injured or killed on the job. Read more.