Trevor is an estate agent acting on behalf of James. Trevor shows Ryan a property enclosed by a garden wall but omits to disclose that two-sevenths of the enclosed land belongs to a third party. The seller, James, is also aware of this fact but signs the offer to purchase without mentioning that it is not the whole property that is part of the deal.

Ryan buys the property under the impression that the entire property belongs to the seller. Did Trevor and James commit a crime? Discuss with reference to all the elements of the crime