We are unable to share specific details about the investigation, as it might inadvertently help potential cheaters.
You don't have to share everything in public. Would you mind Cooperating with 3rd party mediators? May we know which mediators do you guys support?
While you're free to have your opinion, we stand by our team's decision. We returned your initial deposit and won't be providing further support on this issue.
He already wrote the case in detail. I don't think he have to share more details about it. You should provide support on this case unless you want to ruin your reputation you are tying to build in this forum.