Terry Carr 
I, Executioner [EPUB ebook] 

It was a time of regulated sanity and world peace. Brain scanners helped keep it that way by identifying potential deviants, those on the verge of anti-social insanity. I was sitting in my chair in the Arena. It was my turn again. In the middle of what was once a stage sat thirty people scraped tightly to their chairs. And then they brought her in and I remembered…

I, Executioner,  a Science Fiction Classic, was written by Terry Carr and first appeared in the Worlds of If Science Fiction magazine in January 1963.