Is it really that strange that it's not being reported on? He's an ex Scottish MP of no importance, not even in the governing party.
It's very strange behaviour from her, especially if she has a child under 18 (how is it possible for her to stay with him and the child?) and is generally so judgemental of anyone who falls short, but I think it's clear that she's a fairly damaged person and it wasn't her who committed this crime.