Technical Report.
All traces of evil have been erased, and the patient had been re-inserted into society; even thought there's still a trace of the stigma of his past and the procedure.
"Just before going to sleep, all those blurry images come to my mind, confusing me, I don't know whether they are dreams or lost memories; but they're always the same: my hands spilled with blood, doctors tying me up to a chair, a switch and a flashing light... And every time I try to clear those images in my head I feel sick and drained, so I've stopped trying and have learned how to ignore them, nevertheless, I really would like no know more about my past.
The end.