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Individual

Last Updated: April 20, 2026

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Last Updated: April 20, 2026

Individual

Juan Carlos MESA VALLEJO

Aliases

CARLOS CHATAS

TOM

DoB

1967-12-08

Reg. ID

71698071, Cedula No.

Official reason

The U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC) today designated the criminal subgroup known as Los Chatas, which operates under the umbrella of Colombian criminal group La Oficina de Envigado (La Oficina) and is based in Bello, Colombia.  OFAC also designated three Colombian nationals identified as leaders of Los Chatas and top lieutenants or associates of Juan Carlos Mesa Vallejo (a.k.a. “Tom”), who is believed to be among the current leadership of La Oficina, as well as one related company in Colombia.

Other Information

https://home.treasury.gov/news/press-releases/jl0298

Date of listing

2014-09-16

Program information
Program information
Authority

US

Program

Foreign Narcotics Kingpin Sanctions Regulations, 31 C.F.R. part 598

Regime

OFAC-horizontal

Target State

Drugs

Measures

Blocking Property

Official Information

The Foreign Narcotics Kingpin Sanctions Regulations, 31 CFR part 598 (FNKSR), implement the Foreign Narcotics Kingpin Designation Act (21 U.S.C. 1901–1908), which provides authority for the application of sanctions to significant foreign narcotics traffickers and their organizations operating worldwide.

Additional Details

SDN

Program URL
  • https://www.federalregister.gov/documents/2021/05/17/2021-10314/narcotics-trafficking-sanctions-regulations-and-foreign-narcotics-kingpin-sanctions-regulations

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