The motivation was that the evidence from international organizations was such that this is a significant and growing problem internationally. It doesn't just restrict itself to activities within the borders of one country; it manifests itself in terms of international trade and commerce and requires an international—at least in part—solution.
This was a group of countries that felt in a like-minded way that there were areas of enhanced enforcement cooperation, enhanced clarity around the types of legal frameworks that might be put in place to help combat this threat to Canadians at the end of the day.