In a dramatic fall from grace, former world boxing champion Julio César Chávez Jr, son of Mexican boxing legend Julio César Chávez Sr, is now facing explosive allegations of working as an enforcer for the notorious Sinaloa cartel. According to a damning indictment by Mexico’s attorney general, Chávez Jr allegedly used his fighting skills to torture rival gang members—a shocking twist for an athlete once celebrated for his prowess in the ring.
Arrested in the U.S., Accused in Mexico
Chávez Jr, 39, was arrested in California on 2 July by U.S. Immigration and Customs Enforcement (ICE) agents. He is now facing deportation proceedings due to cartel affiliations, an expired visa, and an active Mexican arrest warrant for weapons trafficking and organized crime.
According to ICE, Chávez had entered the U.S. on a legal visa in August 2023, but it expired in February 2024. Despite a history of criminal convictions, Chávez was readmitted into the country in January 2025 under a discretionary parole granted by the Biden administration—a decision now under fire.
Prosecutors: “He Beat Rivals Like a Punchbag”
Shocking Allegations Emerge from Wiretaps
On Friday, Mexico’s Federal Attorney General’s Office (FGR) released a new indictment claiming Chávez was directly involved in violent acts for the Sinaloa cartel, one of the world’s most powerful and brutal drug trafficking organizations.
Prosecutors allege that Chávez Jr worked under Néstor Ernesto Pérez Salas, better known as El Nini, a key lieutenant of the Sinaloa cartel. Chávez allegedly beat captured rival gang members while they were hung from ceilings, treating them as if they were training equipment.
“He would beat them like a punchbag,” prosecutors allege, referencing intercepted phone calls recorded between December 2021 and June 2022.
The acts were described as sadistic forms of cartel punishment — a grotesque blend of professional sport and organized crime.
Marriage Ties to El Chapo’s Family
Chávez’s personal life may have played a role in his legal troubles. He is married to Frida Muñoz, an American citizen who previously had a child with one of Joaquín “El Chapo” Guzmán’s sons.
Though Muñoz is not facing any criminal charges, her family links to the Guzmán dynasty reportedly triggered heightened scrutiny from U.S. immigration officials and led to Chávez’s classification as an “egregious public safety threat” in internal DHS documents from late 2024.
Despite this designation, immigration officials allowed Chávez to re-enter the U.S. under parole, prompting criticism from Trump-era officials.
A History of Legal Troubles
This is far from Chávez’s first brush with the law. His criminal record spans over a decade, including:
-
2012: Convicted of driving while intoxicated in California
-
January 2024: Convicted of illegal possession of an assault weapon and for manufacturing or importing a short-barreled rifle
Despite the seriousness of his legal background and known associations, his celebrity status and athletic fame appeared to provide a degree of leniency until now.
High-Profile Arrest After Jake Paul Bout
Adding a surreal twist, Chávez Jr was arrested just five days after losing to YouTuber-turned-boxer Jake Paul in a lucrative fight in Anaheim, reportedly earning $1.5 million in gate receipts.
The 2 July arrest happened in Studio City, an affluent Los Angeles neighborhood known for celebrity residents.
DHS Officials Slam Biden’s Handling
Following Chávez’s arrest, Tricia McLaughlin, Assistant Secretary of Homeland Security, issued a scathing rebuke of the prior administration’s inaction:
“It is shocking the previous administration flagged this criminal illegal alien as a public safety threat but chose not to prioritize his removal,” she said.
She added that celebrity status means nothing under current enforcement policy:
“Our message to any cartel affiliates in the U.S. is clear: We will find you and you will face consequences. The days of unchecked cartel violence are over.”
Chávez Family Denies Allegations, Claims He’s in Rehab
In a statement issued over the weekend, the Chávez family offered full support for Julio Jr, describing him as:
“A son, a father, and a human who has grappled with multiple challenges in his personal and professional life.”
They expressed confidence in his innocence and said they trusted both the U.S. and Mexican justice systems to uphold fairness and the truth.
Chávez Sr, a legendary figure in boxing and now a prominent commentator, also shared a post on social media claiming Julio Jr was currently in rehabilitation—and not affiliated with any cartel.
A Fall from Glory
Chávez Jr reached the pinnacle of his career in 2011, winning the WBC middleweight title, which he defended four times before losing it in 2012. Though he never matched the achievements of his iconic father, he remained a recognizable face in international boxing, often trading on family legacy and high-profile bouts.
Now, his name is making headlines for all the wrong reasons, as authorities in both Mexico and the U.S. investigate his alleged double life as a professional athlete and criminal enforcer.
The Road Ahead: Legal Battles & Deportation
Chávez now faces a complex legal journey, including:
-
Deportation from the U.S., which ICE says is already in progress
-
Possible trial in Mexico on charges of organized crime, weapons trafficking, and assault under cartel directives
-
Scrutiny of his visa application, based on marriage to an American citizen linked to cartel figures
With international attention locked on the case, and both governments under pressure to act decisively, the story of Chávez Jr may become one of the most high-profile cartel-related trials involving a celebrity in recent memory.
From the world of title belts to alleged torture rooms, Julio César Chávez Jr’s saga reads like a crime thriller, except it’s playing out in real life — with law enforcement, prosecutors, and the public watching closely.
For now, the former champion awaits his fate, entangled in a web of family legacy, cartel intrigue, and legal peril — a tragic downfall for a once-celebrated sportsman who may have crossed the line from boxing ring to cartel ring.