Mexican President Claudia Sheinbaum indicated Monday that she would demand an explanation of what U.S. and Mexican officials did when they were killed in a car crash in Mexico.
Sheinbaum said her government would investigate the incident to ensure no laws were broken after Sunday’s deaths, adding that state governments must have permission from Mexico’s federal government to work with U.S. and other foreign entities “as established by the Constitution,” according to The Associated Press.
The deadly incident, which killed two U.S. embassy personnel and two Chihuahua State Investigation Agency (AEI) personnel, occurred following a drug-related operation in Mexico.
“It was not an operation that the security cabinet was aware of,” Sheinbaum said, according to the AP. “We were not informed about it; it was a decision of the government of Chihuahua.”
TWO US EMBASSY STAFF KILLED IN ‘ACCIDENT’ IN MEXICO, AMBASSADOR SAYS
President Claudia Sheinbaum looks on during her daily news conference at the Women’s Oncology Hospital in Mexico City on March 9, 2026. (Yuri Cortez/AFP via Getty Images)
In a statement issued Sunday, César Jáuregui Moreno, Chihuahua’s attorney general, announced the deaths “of the members of the State Investigation Agency, as well as two instructors from the US Embassy, who died in an accident while returning from the operation to destroy clandestine laboratories in the municipality of Morelos,” according to an English translation.
The attorney general said in another statement that no foreign agents were involved in the operation and that it was not related to the accident.
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“To avoid speculation and misunderstandings surrounding the operation that led to the discovery of a drug laboratory in the community of El Pinal, in the Sierra de Chihuahua, the Attorney General of the State, César Jáuregui Moreno, specified that only elements of the State Investigation Agency (AEI) and the Mexican Army took part in it,” the April 20 statement said, according to an English translation.
“With the above, he excludes the intervention of foreign elements, but he specified that instructors from the United States were in the state and in a neighboring community, but for other purposes, such as teaching the handling of drones,” the office said. “He stated that approximately 80 agents participated in the seizure of the drug laboratory, 40 of them from the AEI and another 40 from the Secretariat of National Defense (DEFENSA).”
MEXICO PYRAMID SHOOTER WHO TOOK HOSTAGES AND 1 MURDERED OFFICIAL IDENTIFIED

Mexican President Claudia Sheinbaum talks on stage next to President Donald Trump during the draw for the FIFA World Cup, taking place in the US, Canada and Mexico, at the Kennedy Center in Washington, DC, on December 5, 2025. (Jia Haocheng/Pool/AFP via Getty Images)
Jáuregui Moreno said that AEI director Pedro Román Oseguera Cervantes “met with instructors from the US Embassy, who gave a course on drone operations in Polanco” and “they had a flight from the city of Chihuahua on Sunday morning and asked for help to travel with the convoy in which the director was traveling”
“They got into the vehicle about two o’clock in the morning and had the accident that killed them when it went off the road in one of the ravines in the area,” Jáuregui Moreno said, also noting that “there was never any involvement of a foreign agent in El Pinal.”
He noted that there were “no U.S. agents involved in the operation to secure the narco lab,” according to the AP.
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The newspaper reported that Mexico’s security cabinet confirmed that the military and prosecutors launched a joint effort against drug laboratories in the same town, Morelos, this weekend in Chihuahua.
The US ambassador to Mexico, Ronald Johnson, said this on Sunday after on
“We honor their dedication and tireless efforts to meet one of the greatest challenges of our time. Our thoughts and prayers are with them and their loved ones. This tragedy is a solemn reminder of the risks faced by Mexican and American officials committed to protecting our communities. It strengthens our resolve to continue their mission and advance our shared commitment to security and justice, to protect our people,” he added.

Ronald Johnson during his Senate confirmation hearing to become U.S. Ambassador to Mexico, March 13, 2025, in Washington, D.C. (Anna Moneymaker/Getty Images)
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The Associated Press contributed to this report


