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US Treasury Sanctions Five CJNG Leaders to Disrupt Fentanyl Flow

The sanctions freeze any property they hold in the US to undercut the cartel’s drug trade financing.

People stand next to a newsstand displaying a front page covering the funeral Mass of Valeria Marquez, 23, a Mexican social media influencer who was fatally shot during a TikTok livestream, in Guadalajara, Mexico, May 16, 2025. REUTERS/Stringer
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Overview

  • The Treasury targeted Nemesio Rubén “El Mencho” Oseguera Cervantes along with Julio Alberto Castillo Rodriguez, Gonzalo Mendoza Gaytan, Audias Flores Silva and Ricardo Ruiz Velasco.
  • Any assets these individuals hold in the United States will be frozen and must be reported to federal authorities.
  • Officials say the CJNG is responsible for a significant share of fentanyl entering the US and employs targeted killings, including femicides, to maintain control.
  • Under its Foreign Terrorist Organization designation, the US is offering a $15 million reward for information leading to Oseguera’s arrest.
  • Ricardo Ruiz Velasco is accused of murdering TikTok influencer Valeria Marquez during a live-streamed salon broadcast in Zapopan.