Mexico's federal prosecutor said there is no evidence to justify the urgent provisional detention of Sinaloa Governor Rubén Rocha Moya and nine other officials [1].

This development creates a significant legal friction point between Mexico and the U.S. regarding the extradition of high-ranking officials accused of drug trafficking links. The refusal to act on an urgent request suggests a high evidentiary bar for the detention of sitting political leaders.

The Fiscalía General de la República (FGR) responded after the request for urgent detention was made public on May 1, 2026 [2]. The FGR said it will now ask the U.S. to provide additional proof to support the extradition request for the 10 officials involved [1].

Raúl Jiménez, the FGR fiscal for international affairs, said that the current documentation is insufficient. "No existen pruebas anexas al pedido de extradición que justifiquen la detención provisional," Jiménez said [1].

Jiménez also expressed concern regarding how the accusations were handled before reaching the Mexican legal system. He said the public dissemination of these accusations puts due process at risk [2].

The prosecutor said that publicizing the charges without supporting documentation jeopardizes the legal proceedings. According to the FGR, no concrete evidence has been presented that would warrant an urgent provisional arrest at this stage [1].

Mexico is now awaiting further documentation from U.S. authorities to determine if the extradition process can proceed under Mexican law. The case centers on alleged links to drug trafficking, though the FGR maintains that the current evidence does not meet the threshold for immediate detention [1].

No existen pruebas anexas al pedido de extradición que justifiquen la detención provisional.

This standoff highlights the tension between U.S. intelligence-led extradition requests and Mexico's judicial requirements for 'concrete evidence.' By demanding more proof before arresting a sitting governor, the FGR is prioritizing domestic due process and political stability over immediate cooperation with U.S. drug trafficking investigations, potentially slowing the legal momentum of the U.S. case.