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Sheinbaum asks US not to repeat unauthorized anti-drug operation in Mexico

2 sources · 28 Apr 2026 · Share coverage ·

Mexican President Claudia Sheinbaum said on Monday (27) that the participation of American agents in an anti-drug operation in Chihuahua should not be repeated. The Mexican government said it was not informed of the Americans' presence, who according to Reuters were CIA agents. Two American officials and two Mexicans died in a car accident on April 19 during the operation.

The incident has reignited tensions between Mexico and the United States over security cooperation, as Sheinbaum accepts information sharing but rejects the participation of American agents in operations on Mexican territory. Donald Trump, in turn, advocates for greater use of American military force in combating Mexican cartels and threatens that Washington could act alone if it considers that Mexico is not doing enough.

1. What we know (4)

Sheinbaum communicated through diplomatic note that American authorities' participation in the anti-drug operation should not be repeated

2 sources Brasil de Fato Opera Mundi

Two American officials and two Mexicans died in a car accident on April 19 during the operation

2 sources Brasil de Fato Opera Mundi

The Mexican government said it had no knowledge of the Americans' presence in the operation

2 sources Brasil de Fato Opera Mundi

The American officials had no official credentials and one of them entered Mexico as a tourist

2 sources Brasil de Fato Opera Mundi
2. Where coverage thins out (0)

Covered by only some sources, or where the accounts diverge.

No gaps or divergences found — sources converge.

3. What we don't know yet

No gaps declared — all sources converge on the material facts.

All sources

2