Does Mexico Want US Intervention Against the Cartels? The Leaked Poll Nobody Can Check
MEXICO · SECURITY
Key Facts
- —The leak NewsNation reported on 11 September that it had obtained an internal State Department fact sheet on Mexican cartels.
- —The claim Sources told the network the document drew on a survey of 1,000 Mexican adults by an unnamed research firm.
- —The gap No pollster, no fieldwork dates, no margin of error and no percentages have been published.
- —The contradiction El Financiero found 78% opposed to US intervention in January. Another firm found 61% in favour the same week.
- —The catch Mexico’s foreign ministry did respond, telling the network that foreign agents cannot operate on Mexican soil.
- —The real war American forces have struck about 75 boats since September 2025, killing roughly 230 people. None of it on Mexican land.
Two national surveys of Mexicans, fielded in the same week of January, are forty points apart on the same question. One of them comes from a firm with no disclosed method.
A leaked American document is being read in Mexico as evidence that Mexicans want US intervention against the cartels. The poll behind that reading has never been published.
NewsNation reported on the evening of 11 September that it had obtained an internal State Department fact sheet. The document calls Mexican cartels a direct danger to American security.
The network also reported something about Mexican opinion. Sources told it that polling had been carried out by a reputable local research firm, interviewing 1,000 residents aged eighteen and over.
Those sources said most participants back American-led operations against drug laboratories. They also said most back the capture of cartel operatives in Mexico without informing local authorities.
What Is Missing
Almost everything a reader would need. Aristegui Noticias made the point the same day, noting the report includes neither the full document nor the name of the firm.
There are no fieldwork dates and no margin of error. There is no sampling method, no question wording and no percentage for anything.
The attribution is also softer than it first appears. The polling is described as coming from sources speaking to the network, not as a passage quoted from the document.
So the public evidence is a characterisation of an unpublished survey, relayed by unnamed people. That is a weak object to hang a policy argument on.
Mexico’s Own Polling Contradicts Itself
Mexican pollsters have asked versions of this question repeatedly. Their answers do not agree, and the disagreement is not small.
El Financiero published a reading on 4 February 2026. It found 78% of Mexicans opposed to American military forces entering Mexico to fight criminal groups, against 21% in favour.
The fieldwork ran from 14 to 21 January, by telephone, with 800 respondents and a margin of error of 3.5 points. The same survey found 76% saying Mexico should defend its sovereignty and keep the United States out of domestic affairs.
Now set that against a survey from a firm called Cripeso, republished by the poll aggregator polls.politico.mx on 26 January. It reported 61% in favour of US intervention.
Its fieldwork ran from 12 to 20 January. That overlaps El Financiero’s by six days, on the same population, with a forty-point difference in the result.
Only One of Those Is Checkable
El Financiero is an established national title that publishes its technical sheet. Cripeso is not an accredited pollster in any sense a reader can verify.
It has no listed industry membership and no named ownership or leadership. It discloses no sampling frame, no weighting, no question wording and no sponsor.
It also reports to two decimal places, quoting 61.03% and a margin of error of 1.97 points. That is precision no survey of that design can support.
Treating the two numbers as equal competing estimates would be a mistake. They are not two readings of Mexican opinion; they are one reading and one unexplained artefact.
The Honest Range
There is still a real finding underneath. Consulta Mitofsky found in December 2025 that slightly more than half of Mexicans favoured US intervention against organised crime.
The question asked whether American authorities should be able to enter Mexican territory to fight it. Slightly more than half said yes.
The Los Angeles Times reported that result. It is the strongest evidence that Mexican patience with the cartels has worn through.
But Mitofsky’s own March 2025 reading of a similar question ran the other way, at 51.7% disagreeing against 47.9% agreeing. The number moves with the month and with the wording.
So the defensible statement is narrow. Mexican openness to American help has grown since early 2025, and large majorities still reject foreign troops on Mexican soil.
What Is Actually Happening at Sea
While the argument runs about Mexican territory, the campaign is being fought on water. InSight Crime counted about 75 American strikes on suspected drug boats since September 2025, killing roughly 230 people.
Operations extended into the eastern Pacific from 21 October 2025. In late October Mexican search-and-rescue crews went to recover a survivor of one strike.
Claudia Sheinbaum objected publicly to how the strikes were being conducted. That is US intervention of a kind, and it is already happening.
On land the pattern is different. The February 2026 operation in Tapalpa, Jalisco that killed the Jalisco cartel’s leader was run by Mexican forces with American intelligence support.
The designations have also widened. The United States added the Juárez Cartel and Los Viagras on 16 July 2026.
That took the number of Mexican organisations designated as foreign terrorist organisations to eight. Six had been designated earlier.
Mexico Did Respond
The Mexican foreign ministry answered the network on the record on Friday. It restated respect for sovereignty and territorial integrity, and shared but differentiated responsibility.
It described the relationship as cooperation without subordination. It also stated that foreign agencies and agents cannot conduct operations in Mexico.
Sheinbaum has said the same in blunter language. On 7 September she told Mexicans the country is not and will not be a colony or protectorate of any foreign power.
She disclosed in May 2025 that she had refused an offer from Donald Trump to send American troops across the border. Her approval rating stood at 69% in an Enkoll survey published on 2 September.
How to Read a Leak Like This
An internal fact sheet relayed with an unpublished poll tells you what part of a government believes, or wants others to believe. It does not tell you what Mexicans think.
For that you need the questionnaire, and the questionnaire is what is missing. Where questionnaires do exist, they show a public that is angrier about cartels and no softer about sovereignty.
Both of those are true at once, and they are not in tension. Wanting the cartels destroyed is not the same as wanting foreign soldiers to do it.
A document that reports only the first half is not measuring opinion. It is building a case for US intervention, and it is being built in public.
More: Mexico news in English, every day from The Rio Times.
Frequently Asked Questions
Has the United States struck cartel targets inside Mexico?
No strike on Mexican soil has been confirmed. American forces have struck suspected drug boats at sea repeatedly since September 2025, including in the eastern Pacific.
How many Mexican cartels are designated as terrorist organisations?
Eight. The Juárez Cartel and Los Viagras were added on 16 July 2026, joining six organisations designated earlier.
Why do Mexican polls on this disagree so much?
Partly because question wording changes the subject, and partly because not every firm publishing numbers discloses a method. Polls about foreign troops and polls about action against cartels measure different things.
What has Sheinbaum said?
She has rejected American operations inside Mexico, said in 2025 that she refused a direct offer of US troops from Donald Trump, and framed the issue as one of sovereignty.
Did Mexico respond to the leaked document?
Yes. The foreign ministry told NewsNation that cooperation must be without subordination and that foreign agencies and agents cannot operate in Mexico.
Sources: NewsNation, Aristegui Noticias, El Financiero, polls.politico.mx, Consulta Mitofsky, Los Angeles Times via Tribune News Service, InSight Crime, USNI News, PBS, Associated Press, La Jornada, Enkoll, CNN.
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