Cruz Pérez Cuéllar is a Mexican politician affiliated with the National Regeneration Movement (Morena). In 2018 he was elected to the Senate from Chihuahua for the 64th and 65th Congressional Sessions (2018–2024). After taking leave from his Senate seat, he was elected Mayor of Ciudad Juárez on 6 June 2021.

The LXIV Legislature of the Mexican Congress was the meeting of the Mexican Congress of the Union that convened on 1 September 2018 and ended on 31 August 2021. It is composed of the 500 federal deputies and 128 senators elected in the 2018 Mexican general election. While the deputies served only in the LXIV Legislature, the senators, elected to six-year terms, also formed the Senate in the LXV Legislature, which convened in 2021.