All I know is what’s in the public eye, that what information is in the public eye doesn’t constitute murder, and that bereaved mothers do not necessarily use the same logic that is in circulation in courtrooms. If she has back-channel information that refutes that assumption, fine. Let’s see it and then we’ll judge.
Once upon a time, long, long ago, I touched on that community, and I guarantee that she has back channel information. In fact, in this article she says “my sources”.
There are so many who have been refused permission to testify. For many of them, logic would indicate they are willing to testify so they had to be prevented from doing so. For others, they probably don’t want to testify, so the refusal of permission is a protection for them.
People talk. People traverse those communities by simple paperwork changes. They bump into each other. They have a coffee together.