I never understand why people don't want criminals reformed, just locked up.
Because "lock them up" is a simple answer that is quick, easy to understand and relativity easy to do.
Rehabilitation takes time, takes effort, and doesn't have a "one size fits all" method.
It's not a simple, easy to understand (and easy to slogan) approach, even if it does actually have proven better long-term outcomes for society.
You assume the FBI, secret service, and every other 3 letter agency who can get access to his cell aren't doing exactly that?
Given his biography, I would expect a string of conspiracy laden answers and generally incoherent explanations, though.