President Claudia Sheinbaum was referring to “Project Portero,” an effort announced Monday by the DEA, calling it a "flagship operation” against smuggling routes that move drugs, guns and money across the border.

Mexico's President Claudia Sheinbaum on Tuesday said her government did not have an agreement with the U.S. Drug Enforcement Administration over an operation known as "Project Portero" after the DEA announced this project.

Mexico's President Claudia Sheinbaum denied Tuesday that her administration had an agreement with the U.S. Drug Enforcement Administration, a day after the U.S. agency announced "a major new initiative" to collaborate in the fight against drug cartels.