After more than two years in effect, the U.K.-U.S. Data Access Agreement (an “e-evidence agreement” enabled by the U.S. Clarifying Lawful Overseas Use of Data (CLOUD) Act) has proved a game-changer for the United Kingdom’s law enforcement agencies, which have made tens of thousands of real-time intercept requests directly to U.S. service providers. U.S. law enforcement agencies have made much...