AFWAW....You asked me to check out your story. I apologize that I haven't read the whole thing but I think I have the gist of it.
What I'm not quite understanding is this recent stuff. Why do you have to see his face in order to expose them at their work?
And why do you have to ensure that he is at her apartment in order to expose them?
To me, all the proof you need is in the fact that she confessed it to you already. Then she felt the confession wasn't wise and took it back (I hope I have these facts straight), said she wanted to come home but changed her mind. Her previous confession is all you need. She gave you names right? Why do you need to see his face?
I know this is all horribly painful to you....
To me, I'm not sure if exposing is the right plan. It will definitely shake things up and it will probably stop all the affairs and heads will roll...but it may or may not make her ever want to be with you again.
Then on the other hand, lets say you don't expose. She still may or may not want to ever be with you again.
To me, what you really need to do is decide for YOURSELF if YOU want HER back or not. Decide this assuming she is still having affairs. And then you will know what to do.
Now, about exposure...I can see where a LBS would want to do this and I can't blame them...the hurt caused by the WAS seems to justify the exposure.