By Ben Lucas A legal tool designed to sniff out illicit wealth was meant to help rid the City of dirty money. But it hasn’t quite delivered the results the government might have hoped for, Ben Lucas reports After Russia invaded Ukraine, the UK ramped up its efforts to sanction Russian oligarchs and freeze their high-value assets. But the clamp down on kleptocrats buying up London properties or using UK companies to store and move their suspect wealth has been going on for quite some time. In 2018, the UK passed a law that gave authorities a new tool to help sniff out illicit wealth, known as U…