How can I do a background check on my ex’s new partner?

It can be a worrying time when your ex dates again or moves in with a new partner with the children, and it is natural to be suspicious. Whilst you must accept that your ex is moving on and is free to make her own judgments, it is fair to harbour concerns about your children’s safety. But can you do any checks on your ex’s new partner? And if so, how can this be achieved? Here, we find out.