She will still eed to register the kids with a school and a doctor and if she intends remaining En France she will need an Identity Card. Her solicitor would be obliged to inform the Police of her whereabouts and in reality there would be no problems having her extradited. Of course maybe Claires mum is as influential as The Mitchells and can get every thing forgotten about such as breach of bail and AOABH.
Pitiful storyline and woeful scriptwriting