Sergio Muñoz Otero

Sergio Muñoz Otero is presented as a senior figure in the drug trade around Santa Teresa, a lieutenant associated with Estanislao Campuzano and the boss of the Nogales narcos. His brief appearances in reported testimony place him within a wider network of traffickers, businesspeople, and local power, linking the region’s expanding industrial economy to the secrecy surrounding Kelly Rivera Parker’s parties and disappearance.

Position in the Criminal Network

Muñoz Otero is named among the two men regarded as Campuzano’s lieutenants. He is described as the boss of the Nogales narcos, while Fabio Izquierdo is associated with the Hermosillo narcos before moving into the creation of drug-transport routes. Their different areas of activity suggest a network extending across multiple Sonoran cities and routes, rather than a single local circle.

The account places both men among Campuzano’s most notorious associates and says that they attended some of Kelly’s parties. Campuzano himself was reported to have attended occasionally, though testimony about his presence was contradictory. Muñoz Otero’s connection to the gatherings is therefore presented through Loya’s collected accounts and reporting, not as a formal judicial finding.

The Parties and Their Associates

Kelly’s gatherings took place at remote ranches and brought together people from business, crime, and politics. After she stopped hiring higher-priced models, she worked with women from Santa Teresa, while the parties continued to attract figures including banker Salazar Crespo, businessman Sigfrido Catalan, and millionaire Conrado Padilla. Loya’s account connects these men to the Santa Teresa cartel, understood there as Campuzano’s organization.

Muñoz Otero and Izquierdo are singled out as particularly prominent among the narcos at the gatherings. The evidence does not establish the purpose of every party or document a specific criminal act by Muñoz Otero there. Instead, his reported presence makes the ranches a meeting point where the region’s commercial and criminal networks overlap. The narrative ends this account with Kelly’s sudden disappearance, against a background of powerful and ambiguously connected associates.

Santa Teresa’s Cross-Border Setting

The larger setting helps explain the reach of the world in which Muñoz Otero operates. Santa Teresa is described as a rapidly expanding city with maquiladoras, a steady flow of workers from elsewhere, Central American immigrants, and infrastructure unable to keep pace with demographic growth. Its industrial horizon stands alongside poverty and violence, while highways and the border connect the city to neighboring regions.

Accounts of the Uribe family provide another view of this intertwined economy: Pedro Uribe’s trucks carry merchandise from maquiladoras in Hermosillo and Santa Teresa across the border, while the family’s business interests extend into Arizona. Muñoz Otero is not identified as part of that family’s transport business, but the juxtaposition situates the drug network within a border economy where legitimate commerce, wealth, and criminal influence share the same regional landscape.

Narrative Role and Limits of the Record

Muñoz Otero appears through accumulated testimony rather than direct scenes or a developed personal history. Loya’s sources include conversations with people connected to the parties, and the narrative explicitly distinguishes such testimony from evidence that a court would necessarily recognize. This qualification matters: the account establishes his reported status and association with the gatherings, but leaves the precise extent of his participation uncertain.

That limited characterization gives him a structural role. He is one identifiable name within a dispersed system of traffickers and influential guests, a figure whose prominence is reported even as the network’s operations remain partly obscured. The contrast between Santa Teresa’s visible factories and its hidden criminal connections reinforces the book’s portrayal of a city where economic expansion and violence occupy the same space.