Experts detail the effects of the increasing violence in Mexico and the resulting spillover into the United States; the tools needed for Mexico to combat this violence; and the need for leadership from the private industry. This session was part of a CFR symposium,200 Years of U.S.-Mexico Relations: Challenges for the 21st Century,which was made possible through generous support from the Consulate General of Mexico in New York, the Mexican Cultural Institute of New York, and CFR’s Civil Society, Markets, and Democracy Initiative.