Yes, I knew what you meant. The article was talking about the effectiveness of reoffending after medical castration or chemical castration.
The latter has had some limited success, but the former doesn't (which was posted by Mustafa)
This is the state of our Justice system now since 2010. It is a mess.
https://inews.co.uk/opinion/comment/im-a-prosecutor-and-i-can-see-through-boris-johnsons-criminal-justice-con/
No, to capital punishment.