She researches on International Law, and the questions of lethal robotics and Artificial Intelligence, global governance of security, and the formation of new international norms and their impact on peace and security. Garcia is the recipient of Northeastern’s College of Social Sciences and Humanities Outstanding Teaching Award in 2016. Garcia teaches the annual course titled Global Governance of International Security & the World Politics of Diplomacy at the United Nations in Geneva, in cooperation with the United Nations Institute for Disarmament Research and many other partners. In 2016, she testified to the United Nations on the question of lethal autonomous weapons and their impact on peace and security.