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Cieneguillas prison riots

Prison riots

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 8, 2026
Entity authorityQ81476627 ↗
Source-derived summary

Two prison riots occurred at the Cieneguillas Regional Center for Social Reintegration in Cieneguillas, Zacatecas, Mexico. The first was on 31 December 2019, and the second on 2 January 2020. Sixteen inmates were killed on 31 December, and another inmate was killed on 2 January.

Background

The Cieneguillas prison is a medium-security center. During the 2010s, inmates linked with various cartels, including Los Zetas, the Gulf Cartel, and the Sinaloa Cartel, were added to the prison. The prison became dangerous and failed several assessments due to the introduction of the cartel inmates, with the last assessment before the riots deeming it to have a lack of governance and an undermined security. The prison is sectioned so that members of different organizations, and those unaffiliated, are separated. However, when reporters from El Universal visited in 2019, authorities reported a lack of infrastructure to operate the prison optimally.

In 2009, the prison was the location of a high-profile escape that freed 53 inmates; a state official, speaking in 2019, said that steps had been taken to improve security after that event. There was also a plan to cause a riot on New Year's Eve in 2018, to allow another escape, but this was uncovered and prevented.

Editorial summary

This brief starts where responsible research should: with the source description of “Cieneguillas prison riots” as prison riots. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2019, 2020, 2009, 2018—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where Cieneguillas, prison and riots can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as prison riots. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 8, 2026. The linked authority identifier is Q81476627. Authority coordinates are 22.763, -102.671. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2019, 2020, 2009 and 2018.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Source & attribution

This entry incorporates text from “Cieneguillas prison riots” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.