Now if someone was convicted due to irreputable evidence and subsequently hanged I would be very uneasy. However if they were convicted due to irrefutable evidence I believe that I would be somewhat less concerned. Especially for the murdering bstards and child molesters.
The sort of prison cell that all dangerous criminals should be in I think.
Perhaps all the jihadi’s and their brides should be in them and the reading matter cycles between books on other religions. Christianity, Buddhism, and such like. Redirect their religious dogma to encompass other views.