US-Born Figure Emerges in Leadership Shift of CJNG Cartel
Power Vacuum After El Mencho’s Death
A major leadership change appears to be unfolding within the Jalisco New Generation Cartel following the reported killing of its long-time leader Nemesio Oseguera Cervantes, widely known as “El Mencho.”
According to a report by The Wall Street Journal, a US-born figure may now be leading the cartel, although officials have not fully confirmed this development.
Possible Successor Takes Spotlight
Juan Carlos Valencia Gonzalez, a California-born US citizen and El Mencho’s stepson, has emerged as a key contender. Known by the alias “03,” he has held a strong regional leadership role within the cartel.
His influence grew significantly after the arrest of El Mencho’s son, Ruben Oseguera Gonzalez, in 2015. Authorities later extradited him to the US, where a court sentenced him in 2025 to life imprisonment plus 30 years for drug trafficking offenses.
Uncertainty Over Leadership Structure
Despite these developments, experts caution that the cartel may not follow a single-leader model. Instead, it could continue operating under a shared leadership system involving multiple senior figures.
Security analyst David Saucedo suggested that concentrating power in one individual could increase pressure from authorities. He noted that a collective leadership structure may help reduce risk and avoid drawing attention.
Role Within Cartel Operations
Reports also indicate that Valencia Gonzalez leads the cartel’s elite armed unit, often referred to as the “Grupo de Elite.” This group is known for its advanced training and heavy weaponry, which has contributed to the cartel’s reputation for violence.
However, Saucedo emphasized that the title “03” as a clear leadership marker remains uncertain and may not reflect the cartel’s actual internal structure.
Other Potential Successors
Following El Mencho’s death, Mexico’s security chief Omar Garcia Harfuch stated that authorities are monitoring several possible successors.
Among them are Ricardo Ruiz Velasco, Hugo Gonzalo Mendoza Gaytan, and Audias Flores Silva. Analysts describe these figures as more aggressive and linked to violent operations.
Potential Impact on Mexico
Experts warn that the choice of leader could shape the future security situation in Mexico. According to Saucedo, if more militant figures had taken control, the country might have faced greater instability.
He added that the cartel includes both negotiation-focused factions and more aggressive groups, which continue to compete for influence within the organization.
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