All groundless assumptions. You don’t know the details of their therapy sessions, and what could have been an agreement that he would address the crimes, then did not.
Again, the outrage and focus on the woman is typical of enablers who are more interested in phantom-of-the-mind motivations rather than the criminal, his victims-past, present and future.
Enabler? Again, you really need your head examined. Any hope of legally pursuing this was ruined due to the nature of the evidence and how much time had passed. When was the recording made, and why did it only come to light in divorce proceedings?