So in AQ when a member is on a path between nodes, you see the little "1" flag on the path, and can usually click on it to see the details on that member.


This still works correctly on the BG that you are in. However, if you spectate a different BG and try to do the same, you cannot see the details of that member any longer, and short of process of elimination, there's absolutely no way to figure out which member it is.

You get this screen instead: