(Photo by Ted Psahos/U.S. Immigration and Customs Enforcement via Getty Images)

Mexican drug lord Joaquín Archivaldo Guzmán Loera, known as El Chapo, is reportedly experiencing loneliness while serving time behind bars. 

In a handwritten letter obtained by CBS News, the ex-leader of the Sinaloa cartel addressed the federal judge who oversaw his case asking for his wife and daughters to visit him in the United States Penitentiary Florence — the supermax prison facility where he will stay for the remainder of his life.  

Guzmán, 67 — who once escaped from a maximum-security prison via bribery in 2001 — is in the process of serving a life sentence plus 30 years following his 2019 conviction of continuing a criminal enterprise.

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The kingpin filed a letter Friday, which was translated to the court, which read, "I'm sorry to bother you to ask that you authorize a visit from my wife and bring the girls as well," he wrote to the Brooklyn judge, per the New York Post. 

Last year, his wife of over 15 years, Emma Coronel Aispuro, transitioned from prison to a halfway house, which commonly occurs due to good behavior ahead of release. She was sentenced to three years in 2021 after pleading guilty to drug trafficking and money laundering conspiracy. 

In addition to her jail time, Aispuro, 34, was also ordered to pay nearly $1.5 million in fines.

(Photo by Spencer Platt/Getty Images)

The kingpin noted that the court's opposition to her visits due to the fact that "she could pass threatening messages" were "ridiculous" seeing as though all their visits are recorded.

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"I don't see why my wife shouldn't be given permission to visit me and also bring the girls," he wrote, per the Post. 

"Your Honor, Guzmán is asking as a favor that you allow his wife to visit," he wrote, referring to himself in third person. "She is the only person who would be able to do so, since his sisters and mother do not have travel visas allowing them to go to Colorado to visit Guzman."

The couple share two daughters; Emali Guadalupe and Maria Joaquina.

In January 2023, Guzmán sent an SOS to Mexico's president citing harsh prison conditions, including isolation and lack of sunlight, per CBS News.