I think you really underestimate the effect of being brutalized, and/or solitary confinement.
They tortured him to get him to plead guilty.
In his own manifesto he said he was going to plead guilty.
Didn't it state he would not? I may misremember.
It stated that he would plead guilty because he would be revered as a white nelson Mandela and be freed from his imprisonment.
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