and he reports this to an elder, such matters can generally be handled according to the direction in
Does not not require that he must turn himself in.
which might include child pornography, sadistic torture, bondage, gang rape, or the brutalizing of women, this would disqualify him from serving
The person should not be serving whether or not his conduct is known. He should step aside because he is serving in a disqualified state.
Your quote from the letter (?) says no JC, but your comment says it would be a JC??
The latest information after 2006 says that a JC would be required if he gets caught or if it becomes known, for watching as a practice over a long time: sadistic sex, sex involving more than 2, same sex sex, and worse. Whereas, if a person actually commits sexual immorality, a JC is required and such person must turn himself whether it is known or not.
We all like a bit of bondage.....
Not all. Some people are actually appalled by non consensual sex between 2 adults whether real or fantasy, or anything else that degrades or harms anyone consensual or not.