Zhang Zidong, Peking University Graduate, Became Key Figure in Mexican Cartel
Distributed Cocaine and Fentanyl, Generated Over $150 Million Annually
Escaped House Arrest by Drilling Through Wall, Now on Trial in the United States

An elite graduate of one of China's top universities who transformed into the biggest drug lord in Mexico before being arrested and extradited to the United States has belatedly come into the spotlight.


In 2024, Zhang Zedong, a Chinese national and member of a drug cartel, was captured by Mexican authorities. Mexico's Secretary of Security, Ex...

In 2024, Zhang Zedong, a Chinese national and member of a drug cartel, was captured by Mexican authorities. Mexico's Secretary of Security, Ex...

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According to Yonhap News Agency, on the 13th (local time), the BBC in the United Kingdom reported on this man’s background. The main character, Zhang Zidong (39), graduated from the Department of Spanish at Peking University in 2010. He was apprehended by Mexican authorities last year in 2024 and is currently on trial in the United States.


After graduation, Zhang moved to Mexico and joined a local Chinese mining company, quickly rising to a senior position and gaining recognition for his abilities. Alex (pseudonym), a university classmate who worked at the same company, recalled to the BBC, "He was an excellent negotiator and able to adapt to any environment." Alex added, "Anyone who does business in Mexico inevitably gets entangled with local criminal groups such as drug cartels," and noted, "He could build relationships with any key figures in the region."


The company Zhang worked for went bankrupt in 2013, but he did not return to China. Instead, starting a year or two later, he began posting offers through the social media platform WeChat to exchange U.S. dollars at preferential rates for fellow alumni from the Peking University Spanish Department. Acquaintances believed this marked his involvement in money laundering. According to a complaint filed with a U.S. court last year, Zhang has been accused of operating a large-scale drug trafficking and money laundering organization since June 2016.


Zhang's status within the cartel rose swiftly. Enrique (pseudonym), a senior member of the Mexican drug cartel, told the BBC, "Within the organization, Zhang was called the 'King of Fentanyl' or 'Brother Wang.' He was really important. He was the best." Enrique further explained, "He formed a close relationship with a female relative of one of the cartel leaders, which allowed him to quickly become close with key figures."


Zhang is believed to have played a key role in the production and distribution of fentanyl in Mexico, a drug 50 times stronger than heroin. After his arrest, a cartel member lamented, "We had to rebuild new distribution routes from scratch." Enrique also confirmed to the BBC that, "Zhang built the supply chain."


Fentanyl claims tens of thousands of lives worldwide every year, and China has been identified as a major exporter of precursor chemicals used to manufacture it, becoming a focal point of U.S.-China discord. In December last year, the U.S. government even designated fentanyl and its precursors as weapons of mass destruction (WMDs).


Mexican authorities estimate that Zhang exported and distributed more than 1,000kg of cocaine, 1,800kg of fentanyl, and 600kg of methamphetamine, generating over $150 million (about 223.4 billion won) in annual drug sales. When Zhang appeared before a U.S. court in New York last year, Todd Blanche, Deputy Assistant Attorney General at the U.S. Department of Justice, described him as "one of the most dangerous drug traffickers in the world."


After being arrested by Mexican authorities in October 2024, Zhang gained further notoriety with a bold escape attempt. When a Mexican court made the questionable decision to place him under house arrest instead of remanding him to prison, Zhang drilled a hole in the wall of his home and fled, traveling by jet through Cuba and making his way to the Russian border. However, Russian border officials detected forged documents and sent him back to Cuba, and he was eventually extradited to the United States via Cuba and Mexico.



Alex, his former classmate, told the BBC in an interview, "Everyone was shocked by the news of Zhang's arrest," adding, "He may become one of the most infamous figures ever to graduate from Peking University."


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