Perkinson also interviewed David Ruiz a federal judge ; other current prisoners ; former prisoners ; prison guards ; congressional officials ; other writers ; reform activists ; and attorneys .
David Ruiz is the plaintiff of Ruiz v. Estelle ; William Wayne Justice .
Perkinson also interviewed David Ruiz , the plaintiff of Ruiz v. Estelle ; William Wayne Justice , a federal judge ; other current prisoners ; former prisoners ; prison guards ; congressional officials ; other writers ; reform activists ; and attorneys .