So someone raised in a conservative family becoming motivated to commit a political assassination of a conservative is not being radicalized?
To the contrary, his beliefs did not bite him in the ass. He believed in freedom over tyranny. He did not live under an authoritarian government. He was free to speak his mind as much, and and as often and as publicly as he wanted.
Perhaps you should read “The Gulag Archipelago” by Russian author Aleksandr Isayevich Solzhenitsyn. The Gulag Archipelago is Solzhenitsyn’s attempt to compile a literary-historical record of the vast system of prisons and labour camps that came into being shortly after the Bolsheviks seized power in Russia (1917) and that underwent an enormous expansion during the rule of Stalin (1924–53). Various sections of the work describe the arrest, interrogation, conviction, transportation, and imprisonment of the Gulag’s victims as practiced by Soviet authorities over four decades.
Thise who would give up freedom for security will have neither.