The Perry Center and the Argentine Ministry of Security co-sponsored the two-day seminar “Countering Transnational Threats in the Americas” for over 80 participants in Buenos Aires from July 15-16, 2019. Seminar sessions addressed narcotics trafficking, border security, the convergence of terrorism and crime, countering terrorist financing and money laundering, cybersecurity, cybercrime, external actors in the Americas, interagency and interagency cooperation. Expert panelists and seminar participants discussed strategies and policies to help counteract these regional threats with a specific focus on how Argentina is responding nationally to these issues. Over 30 Perry Center alumni participated in the seminar both as participants and as speakers.