This is an excellent illustration of why untrained and unqualified people should not be allowed to "handle" crimes as if they were mere sins. Sin and crime are not synonymous. Certain acts may be one but not the other, but they can certainly be both just as well.
In this particular case, the elders were clearly not differentiating between the crime of statutory rape and the sin of fornication. The reason they made the girl listen to the tape was to convince her that they knew she was a willing and eager participant, not a victim of forcible rape. They even established that she sneaked out of her house to meet this creep for the purpose of having sex. Thus, she was clearly guilty of the sin of premeditated fornication and of lying about it. The man involved was obviously guilty of the same thing, and bears much more responsibility than the girl because he was an adult.
But legally, there is a big difference between the sin of fornication and the crime of statutory rape. Despite proof of her consent and eager participation, she was legally incapable of granting such consent and therefore having sex with her was a serious crime. These laws are in place for a reason. Our young people are not to be targets of opportunity for those who would seduce them and tempt them into inappropriate and highly illegal and damaging relationships. It has long been established that young people are simply not prepared mentally, emotionally, and in some cases even physically to make such life-changing and consequential decisions. This guy deserves everything he gets for his crime, including a long stint in prison.
My point is the tape establishes that there was a consensual sexual escapade in which the girl was a willing and eager participant. It is not a recording of a forcible rape with the victim screaming for help. The elders were focused on establishing that she was a willing party to the sin. That said, it was still extremely inappropriate and likely traumatic for her to be forced to listen to it in front of others, including her parents. Again, that is why untrained and wholly unqualified people should not be allowed to carry out such investigations or adjudicate the consequences.
Those elders and, by extension, their overlords at Watchtower should be held accountable for their mental and emotional abuse of this young woman. She may suffer from the anguish they caused for years to come.
By not reporting every instance of suspected child abuse or exploitation, Watchtower is implicitly condoning or at least tolerating such behavior. Sometimes they even actively cover it up. This should be a crime in itself, and in many places, it already is. Watchtower could easily solve this apparent dilemma if they announced a policy of dealing with sin internally but reporting all reports or suspicions of crime to the secular authorities to be dealt with according to the law. It would be a win-win.
Personally, I think they've dug their heels in too deep to act even in their own best interests. They deserve all the unfavorable lawsuit judgments and negative publicity they get.