As the first year of a new administration, 2017 was a year of transition in terms of both leadership and priorities of U.S. law enforcement agencies. Despite these changes, however, pre-existing trends in cross-border investigations, regulations, and enforcement have continued unabated. Senior U.S. Department of Justice (DOJ) and Securities and Exchange Commission (SEC) officials in the Trump administration have publicly confirmed the agencies’ commitments to coordinating with foreign authorities and signaled that the extent of coordination will continue to increase in the coming years. As Steven R. Peikin, Co-director of the SEC’s Division of Enforcement, observed in a speech in November 2017, “The level of cooperation and coordination among regulators and law enforcement worldwide is on a sharply upward trajectory.” Indeed, to further cement transatlantic relationships, the DOJ Fraud Section has detailed a senior prosecutor to the Serious Fraud Office (SFO) and the Financial Conduct Authority (FCA) in the U.K.