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Video:

• Unveiling the long-hidden story of the Attica prison riot

Heather Ann Thompson documents the untold story of the Attica prison riot in her new book, “Blood in the Water,” and joins Jeffrey Brown to discuss the truth about the riot's violent end.

• The secret US prisons you’ve never heard of before

Will Potter, a TED Fellow, shows us who is imprisoned here, and how the government is trying to keep them hidden. "The message was clear," he says. "Don’t talk about this place."

Audio:

• A look inside white supremacist prison gangs

Members of white supremacist prison gangs are among the suspects in the killings of law enforcement officials in Texas and Colorado, putting a spotlight on the organization and other prison gangs. The Aryan Brotherhood of Texas is known for organizing crimes from inside prison walls.

• The view from Thomson, Ill. And its maximum security prison

As part of a new election series, we visit Thomson, home to a maximum security prison that has been virtually unused since it opened 16 years ago. The state failed to provide a budget to operate it.

Web:

• Riot at Attica Prison

The History channel provides an overview of the Attica prison riot.

• The 1980 New Mexico Prison Riot

An overview of the New Mexico prison riot that took place in 1980.