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16 minutes ago
Hello Hannah, as someone who has spent months in the family courts dealing with parental responsibility issues, I am not sure your account is entirely accurate.
Rob told Pat that Helen had forfeited her rights to Henry because of her attack on him; that is not correct. The mother retains primary parental responsibility for ever unless/until it is removed by a court (and you could count on one hand the number of times that has happened since the Children Act came into force).
Rob describes himself as Henry's father; that is not correct. He shares with Helen what the Act calls "the responsibilities and duties of a parent" but he would only become Henry's legal father if he adopted Henry. His status of parental responsibility can be challenged in the courts and withdrawn by a judge. That status could also be shared by other responsible adults (Pat, Tony, Tom, etc) but it does not imply parenthood. It confers responsibilities NOT rights for the Act's touchstone – "the welfare of the child".
Ursula has no legal responsibilities for Henry; it was wrong of her to direct the school not to allow any other adult to collect him (and the school would be out of order to accept that instruction). Her other actions could be challenged as abduction.
Rob has a duty to allow Henry to see his mother and other family members. It does not look as though he is going to fulfil that duty so his position can be further challenged in the courts.
As to the fantastical situation of whether a prosecution witness would be allowed to remain with the victim/primary prosecution witness in this case, I'll leave that to the conscience of your over-zealous scriptwriters.