What kind of person would be interested in such morbid acts to actually pay to go watch them being acted out for entertainment.
Unfortunately all too many in some parts of the world, given the American TV documentary film about it - quite a genre of such shows, and must be a demand over there or they wouldn't make them.
Here in Poland, people are more concerned about his release later this year.
There are some powers, introduced by the last government that can force released criminals to reside in closed centres (not prisons) if they are deemed to remain a very serious risk to the public, however the last Polish serial killer to be controlled that way needed to be released before that happened.