these suggestions would NEVER fly. It would just put them in a defensive mode . . . Shawn.
That's precisely what's needed. JC's gain an incredible amount of autonomy bias from meek compliance. I would endorse Martins strategy to ask anyway. If it forces them to deny certain things from you, including basic human rights, then make them do it . . . don't do it for them.
If the basic questions pertaining to the accusations are not answered prior to the JC meeting, I would additionally advocate turning up to hear the accusations ONLY. Make careful notes at your own pace, record the names of all present and ask for copies, or note down descriptions of any documentation. At the point when the accusation has been fully tabled . . . I would advise the JC that time is now required to consider the accusations and obtain private advice . . . and after asking for a continuation . . . LEAVE.
If challenged . . . simply point out that your accusers have had ample time to prepare the accusation . . . now you require the same consideration to prepare a response.