U.S., Mexico Agree on Joint Security Deal Targeting Cartels, Border

On September 3, 2025, U.S. Secretary of State Marco Rubio and Mexico’s President Claudia Sheinbaum formalized a bilateral security agreement focused on dismantling drug cartels, curbing the flow of fentanyl and firearms, and addressing irregular migration while respecting each nation's sovereignty. The agreement establishes a high-level implementation group to monitor and coordinate joint efforts, including eliminating clandestine border tunnels, combating illicit financial flows, and enhancing inspections and prosecutions. Both governments emphasized principles of reciprocity, territorial integrity, and mutual trust, signaling a shift from unilateral U.S. actions toward cooperative strategies. Rubio praised Mexico's commitment amid ongoing tensions related to U.S. immigration policies and military interventions in the region. Despite Mexico's insistence on sovereignty, the Trump administration maintains the possibility of unilateral actions if necessary but aims for collaboration to strengthen border security. This agreement reflects a renewed U.S. strategy to engage with Latin American nations through partnership rather than confrontation.