Complicated

So, I'd like to get people's reactions and thoughts on this situation. Here is the breakdown - we have a large group of friends back up on our old hometown. We are still in touch with them, and when we go visit we usually hang out, someone will have or host a BBQ or something so we can all congregate in one spot to catch up. Most of the folks are couples with younger kids.

A few days ago, AlphaGeek's best friend called to chat, and in the course of the discussion revealed that one of the husbands in the group may be cheating on his wife. He doesn't have any actual proof, but he's seem some things that have created a lot of implication, like Cheater McCheaterson and the *Homewrecker holding hands, snuggling, stealing hugs, etc. Cheater's wife also caught some questionable texts between the two of them, and forbade him from seeing her in social settings, which he has completely disregarded.

AG's best friend is not super close to the wife, so doesn't feel comfortable bringing the possible cheating to her attention. I should also mention, most of the husbands in the group now know about this. The only couple that doesn't know, is the couple whose wife is best friend with Cheater McCheaterson's wife.

No one knows what to do. When (not if) this gets out, it's going to be ugly. Everyone will have to take a side, and the whole group will likely get thrown out of orbit.

What the hell do you do in this situation? Actually, can you do anything? Cheater will likely lose everything in the divorce, seeing as how his wife has been the major breadwinner for their entire marriage. I just can't believe he is willing to sacrifice so much just for some new tail.

*I only refer to her as the Homewrecker so I have something to call her. I totally believe the husband is also a homewrecker in this situation.