A child arrangements order (CAO) is made under section 8 of the Children Act 1989, (ChA 1989), and it can provide that a child lives with parent A and spends time with parent B. If at the end of contact parent B fails to return the child to parent A, and attempts by parent A to persuade parent B to return the child fails, parent A can sometimes obtain assistance from the police in persuading parent B to return the child. Although, a CAO is a civil order and a breach of a ChA 1989, s 8 order is not a criminal offence, when parent B is in breach, the police are sometimes willing to assist parent A in persuading parent B to return the