Criminal property – definitively defined?

The amorphous boundary between a predicate offence and a money laundering offence has been diligently plotted out in case law since the Proceeds of Crime Act 2002 came into force, but, as David McCluskey and Charlotte Tregunna of Peters & Peters Solicitors LLP write, are these cases clarifying the law or merely demonstrating its ambiguity? In R v. GH [2015] UKSC 24, the Supreme Court had the opportunity to consider the boundary between the two.