Got a little more info. Yesterday at 8:00 am, my W emailed to K's W the divorce petition she prepared back in April just before lowering the boom on me. K knows this b/c he can access the email account for his family. His W does NOT know this. K has not told his W he knows about the existence of the D Petition.
So, I don't think I can let my W know I know. How else would I know other than through K.
I am also txt'ing K right now. While no one knows for sure, I suspect his W is involved with OM. Fits the pattern. So, I am the does he confront or not confront just yet argument.