In November of 1977, Terry Lee Farmer, a white inmate at Arizona State Prison in Florence, walked up to black prisoner Waymond Small in front of sixty witnesses and stabbed him in the heart with a shank. Small had agreed to testify before the state legislature about gang violence inside Arizona State Prison and was murdered the day before his scheduled appearance. This murder proved the catalyst for an all-out war between the State of Arizona and the Aryan Brotherhood. Through five trials, Farmer claimed self-defense and the jurors acquitted all ten of his co-conspirators.

Thornton...