# US-Mexico Morena probes and diplomatic tension > Live situation record from CLSTR: https://clstr.news/situations/mexicous-cross-border-narcotunnel-discovery > Updated: 2026-08-14T18:44:00.000Z. Sources: 831. Developments: 18. The 2025 U.S. Justice Department operation that exposed a 265-metre tunnel in Otay Mesa led to U.S. indictments of ten Mexican officials, including Sinaloa Governor Rubén Rocha Moya and former security chief Enrique Inzunza, for alleged cartel links. In the aftermath, dozens of Morena legislators offered intelligence to U.S. authorities, a practice later confirmed by a New York Times investigation that identified a network of high-ranking party members acting as informants. Subsequent drug seizures—126 kg of cocaine on a Reynosa-Pharr bridge truck and 560 kg of liquid cocaine off Costa Rica—highlighted the scale of transnational trafficking and the importance of bilateral enforcement. By July 2026, roughly a dozen Morena politicians faced U.S. corruption probes. Governors Durazo and Villarreal, Governor Marina del Pilar Ávila (whose U.S. visa was revoked), former Baja California governor Jaime Bonilla, and Sinaloa Governor Rubén Rocha Moya—all deny wrongdoing. President Claudia Sheinbaum maintains that her administration has no knowledge of cooperation with U.S. officials. A July 20 report reiterated the informant network and warned that protected-witness testimonies could further weaken Morena’s leadership. Five days later, the party privately advised its governors and legislators to avoid travel to the United States to prevent diplomatic incidents, amid growing strain over cartel investigations and extradition requests. Senator Manuel Añorve, speaking in Washington, criticised the government’s response to human-trafficking and called for stronger U.S. cooperation. By August 2026, internal instability within Morena intensified, marked by a wave of resignations from officials in Naucalpan and Silao who cited corruption, political persecution, and a lack of institutional support. Together, the enforcement actions, legal investigations, and diplomatic frictions underscore mounting pressure on Mexico’s ruling Morena party and the broader challenges of cross-border criminal networks. ## Timeline ### 2026-08-14: Morena faces wave of resignations in Mexico Multiple politicians in Mexico, including Juan José Olivas Islas and Elizabeth Monreal Reyes, have resigned from Morena, citing corruption allegations, lack of party support, and ideological shifts. 3 sources. https://clstr.news/cluster/morena-faces-wave-of-resignations-in-mexico ### 2026-07-25: Mexico's Morena Party Restricts US Travel for Officials Amid Diplomatic Tensions Morena warns officials against US trips to avoid diplomatic fallout, while Senator Manuel Añorve criticizes the party’s weak response to human trafficking. 2 sources. https://clstr.news/cluster/mexicos-morena-party-restricts-us-travel-for-officials-amid-diplomatic-tensions ### 2026-07-20: Morena officials face US corruption probes and growing legal cases in Mexico Morena politicians are under U.S. investigation as informants, with governors and senators facing corruption charges, raising political pressure on Mexico’s ruling party. 3 sources. https://clstr.news/cluster/morena-officials-face-us-corruption-probes-and-growing-legal-cases-in-mexico ### 2026-07-04: US-Mexico border and Costa Rica seize cocaine shipments worth millions CBP seized $3.7 million in cocaine hidden in cucumbers at the Reynosa‑Pharr bridge, while Costa Rica’s coast guard intercepted a vessel, seizing 560 kg of liquid cocaine and 95 kg powder, marking a historic hit 2 sources. https://clstr.news/cluster/us-mexico-border-and-costa-rica-seize-cocaine-shipments-worth-millions ### 2026-06-29: Mexico officials alleged as U.S. informants trigger political clash NYT reports Mexican Morena officials acted as U.S. informants; PRI leader calls for investigations while Morena denies the claims, raising political tensions. 4 sources. https://clstr.news/cluster/mexico-officials-alleged-as-us-informants-trigger-political-clash ### 2026-06-27: Morena officials offered to inform US authorities amid drug‑corruption probes NYT reports dozens of Morena officials, including governors, offered to inform US authorities on cartel ties; they deny investigations, while party leaders call the claims a right‑wing smear, sparking Mexico‑US 28 sources. https://clstr.news/cluster/us-dea-pressures-mexican-officials-amid-cartel-investigation ### 2026-06-26: Texas Border Seizure of Over $10 Million in Methamphetamine CBP seized over 1,100 lb of meth worth $10.1 million at Laredo’s World Trade Bridge on June 15, 2026, highlighting a major drug‑smuggling bust on the Texas border. 2 sources. https://clstr.news/cluster/texas-border-seizure-of-over-10-million-in-methamphetamine ### 2026-06-25: CBP hits record with 21,471 border agents as drug seizures rise at El Paso crossing CBP announced a record 21,471 border agents, aiming for 25,000, while a woman was seized with over 25 kg of meth at the El Paso‑Juárez bridge, highlighting rising drug interdictions. 2 sources. https://clstr.news/cluster/cbp-hits-record-with-21471-border-agents-as-drug-seizures-rise-at-el-paso-crossing ### 2026-06-06: US DHS busts sophisticated Tijuana‑San Diego drug tunnel US DHS seized over a ton of cocaine after busting a 1,933‑ft reinforced tunnel linking Tijuana to San Diego, charging four suspects and dealing a blow to the Jalisco New Generation Cartel. 2 sources. https://clstr.news/cluster/us-dhs-busts-sophisticated-tijuanasan-diego-drug-tunnel ### 2026-06-04: Mexican Cartel Drug Operations Disrupted in the U.S. and South Africa U.S. agents busted a Mexico‑linked cocaine tunnel near San Diego, while South African police seized a massive meth lab tied to Mexican nationals, highlighting the global reach of Mexican cartels. 3 sources. https://clstr.news/cluster/mexican-cartel-drug-operations-disrupted-in-the-us-and-south-africa ### 2026-06-04: US and Mexico demand crackdown on cartel corruption and tunnels Ex‑DEA chief calls for action on corrupt Mexican officials while the U.S. ambassador reports a $45 million cocaine bust from a sophisticated Tijuana‑California drug tunnel. 4 sources. https://clstr.news/cluster/us-and-mexico-demand-crackdown-on-cartel-corruption-and-tunnels ### 2026-06-03: US-Mexico Border Operations Bust Major Drug Tunnel and Human Smuggling Cell U.S. authorities seized a 600‑meter drug tunnel from Tijuana to San Diego, capturing >1 ton of cocaine worth $45 million and arresting four suspects, and also busted a Mexican human‑smuggling house in El Paso,抓 2 sources. https://clstr.news/cluster/us-mexico-border-operations-bust-major-drug-tunnel-and-human-smuggling-cell ### 2026-06-02: US-Mexico border tunnel bust seizes over one ton of cocaine Four suspects (two US, two Mexican) were charged for smuggling over a ton of cocaine via a sophisticated San Diego‑Tijuana tunnel, seizing 2,250 lb of drugs. 2 sources. https://clstr.news/cluster/us-mexico-tunnel-used-for-oneton-cocaine-smuggling-busted ### 2026-06-02: US-Mexico Drug Tunnel Dismantled Between Tijuana and San Diego US and Mexican authorities dismantled a 600‑meter drug tunnel between Tijuana and San Diego, seizing over a ton of cocaine worth $45 million and arresting four suspects. 2 sources. https://clstr.news/cluster/us-mexico-drug-tunnel-dismantled-between-tijuana-and-san-diego ### 2026-06-02: Tijuana operations net CJNG cocaine tunnel and two US fugitives Mexican police in Tijuana seized a CJNG cocaine tunnel worth $45 million and captured two U.S. fugitives, handing them to immigration for U.S. authorities. 2 sources. https://clstr.news/cluster/tijuana-operations-net-cjng-cocaine-tunnel-and-two-us-fugitives ### 2026-06-02: San Diego ‘Buy 4 Less’ Store Uncovers $45 Million Cocaine Tunnel to Mexico A 2,000‑foot tunnel under the ‘Buy 4 Less’ store in San Diego’s Otay Mesa linked Tijuana to the U.S., leading to the seizure of over a ton of cocaine worth $45 million and the charging of four suspects. 9 sources. https://clstr.news/cluster/us-mexico-border-tunnel-used-for-45-million-cocaine-smuggling-discovered ### 2026-05-31: Mexican authorities disrupt cross‑border narcotics tunnel and seize stolen fuel Mexico’s FGR busted a 265‑m drug tunnel to the U.S., while Hidalgo authorities seized over 4,000 L of stolen fuel using drones, showing intensified anti‑crime operations. 2 sources. https://clstr.news/cluster/mexican-authorities-disrupt-crossborder-narcotics-tunnel-and-seize-stolen-fuel ### 2026-05-30: Mexico uncovers 265‑meter narcotunnel linking Tijuana to San Diego Mexico’s FGR discovers a 265‑meter, fully equipped narcotunnel from Tijuana to San Diego, seizing drugs, ammunition and phones, dealing a blow to cross‑border trafficking. 790 sources. https://clstr.news/cluster/argentina-arrests-top-narco-fiordelino-with-260-kg-cocaine --- Cite as: US-Mexico Morena probes and diplomatic tension. CLSTR, https://clstr.news/situations/mexicous-cross-border-narcotunnel-discovery