Minnesota and New York Men Convicted for Financing Kidnappings, IEDs, and RPG Attacks Linked to Separatist Violence in Cameroon

A federal jury in Kansas City has convicted two U.S. citizens for orchestrating and financing a transnational conspiracy that supported kidnapping operations and the construction and use of improvised explosive devices (IEDs) and rocket-propelled grenades (RPGs) by separatist fighters in Cameroon. The case underscores the expanding reach of foreign-based violent movements into U.S. financial systems and communications networks, and the federal government’s focus on disrupting that pipeline before it produces mass-casualty outcomes.

Francis Chenyi, Sr., 52, of Saint Paul, Minnesota, and Lah Nestor Langmi, 49, of Buffalo, New York, both citizens of the United States and of Cameroonian origin, were found guilty on December 8 of multiple counts tied to material support for violent acts abroad and international money laundering. The jury concluded that the defendants knowingly conspired to fund and equip separatist fighters operating in Cameroon’s Northwest Region, enabling attacks intended to kill, kidnap, and maim civilians and government personnel.

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The Conspiracy and Its Scope

Evidence presented at trial showed that the conspiracy extended beyond ideological support and into direct operational involvement. Prosecutors demonstrated that funds were transferred from the United States to Cameroon through peer-to-peer financial transactions, with the express purpose of acquiring explosives, components, and weapons, and facilitating training on their use.

The jury found that the defendants’ activities included:

• Financing the construction and deployment of IEDs
• Coordinating logistical support for separatist fighters
• Approving and directing kidnapping operations for ransom
• Supporting efforts to enforce regional lockdowns through explosive violence
• Attempting to coordinate attacks near major public events, including the 2021 African Cup of Nations

Federal investigators detailed how the defendants communicated with operatives on the ground, monitored developments, and adjusted funding based on operational needs, reflecting a level of control consistent with material support and operational coordination, not passive fundraising.

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Kidnapping Operations and Ransom Facilitation

One of the most consequential elements of the case involved the kidnapping of Cameroonian civilians, including a traditional leader and Catholic Cardinal Christian Tumi, following a confrontation between separatist fighters and Cameroonian forces in late 2020.

Trial testimony established that:

• Langmi sent messages requesting the kidnapping and tracked the movements of the targeted individuals
• Chenyi supplied interrogation questions for the hostages and approved fund transfers to sustain the operation
• Chenyi communicated with Langmi regarding ransom payments made by individuals outside Cameroon for the release of family members

These actions, prosecutors argued, demonstrated a deliberate strategy to combine violence with financial coercion to advance separatist objectives.

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Weapons Development and Escalation Risk

The jury also heard evidence that the conspiracy involved repeated requests for funding to build multiple IEDs, including devices intended for use during politically sensitive periods such as elections. Chenyi approved funding for these devices and coordinated transfers, while Langmi maintained contact with individuals developing IEDs and RPGs, providing updates on progress and intended deployment.

Investigators testified that Langmi attempted to coordinate attacks across several cities in Cameroon’s Northwest Region through 2022, highlighting the sustained and evolving nature of the threat.

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Additional Defendant and Sentencing Exposure

A third defendant, Claude Ngenevu Chi, 43, of Kansas City, Missouri, pleaded guilty on November 19 to one count of conspiring to provide material support to use a weapon of mass destruction abroad.

Under federal law:

• Chenyi and Langmi each face up to 15 years for conspiracy to provide material support
• Each faces up to 20 years for international money laundering conspiracy
• Chi faces up to 15 years for providing material support

Final sentences will be determined by the court following presentence investigations.

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Federal Enforcement Perspective

Federal authorities emphasized that the convictions reflect the government’s commitment to treating foreign-based violent support networks operating from U.S. soil as national security threats, regardless of geographic distance from the violence itself. The case demonstrates how domestic financial tools, encrypted communications, and peer-to-peer platforms can be exploited to enable overseas attacks, and how those channels are increasingly targeted by counterterrorism investigations.

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TRJ Assessment

Transnational extremist and separatist movements rely on U.S.-based facilitators to sustain violence abroad. The crimes were not abstract expressions of support; they were operationally specific, financially enabled, and directly linked to kidnappings and planned mass-casualty attacks.

The convictions reinforce a broader enforcement reality: distance does not dilute accountability. When individuals inside the United States finance, coordinate, or enable violent acts overseas, federal law treats those actions as serious national security offenses with long-term consequences.

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