In short, I'm suggesting let them think you are considering legal action. It's surely not worth the expense (money, time, energy) but at least you'll have the

In short, I'm suggesting let them think you are considering legal action. It's surely not worth the expense (money, time, energy) but at least you'll have the satisfaction of knowing you made a number of people scramble and she will now have a scrutinizing eye on her. This job is just a stepping stone to somewhere better.