It’s very easy to make digital copies of physical media. The resulting copy is likely to be as high quality as you can find, and as portable as any digital copy can be. Pop it in a folder and point Jellyfin at it, and it’s available anywhere.
It’s also the easiest legal way to get a good digital copy.
Even if he didn’t directly participate, did he witness it? Turn a blind eye? I hope future reporting is clear what it is and is not evidence of, but I also hope people ask the very reasonable questions that follow from what we do know now.