Born in Mexico · Nationalities Mexican, American — Crime / mafias / terrorism / criminal cases

Juan Corona

Documented profile covering 11 controversies, including “Death in custody from natural causes” and “Eighth parole denial and retreat from 2011 admission”.

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Profile No. 2482 · Updated on 12 October 2026

11Documented controversies

9Sources

1 followed by a conviction

§ Legal statuses reflect the documented sources as of the date shown; they replace neither court decisions nor the presumption of innocence. Counts are not a rating. Methodology

I. Documented controversies

Case · 9 documented stages

Death in custody from natural causes

Conviction

4 March 2019

Death in custody from natural causes

Conviction

Corona died aged 85 in an outside hospital while still serving his 25 life sentences at California State Prison-Corcoran.

State of the evidence: Documented

Sources · 2

[1]
California Department of Corrections and RehabilitationInmate Juan Corona Dies of Natural CausesOfficial documentVery high reliability
[2]
Los Angeles TimesJuan Corona, convicted in slayings of 25 farmworkers, dies at 85PressHigh reliability

Last verified: 15 September 2026

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November 2016

Eighth parole denial and retreat from 2011 admission

Conviction

At his eighth hearing, Corona stated that he no longer remembered killing the 25 men, effectively retreating from his 2011 admission. The board again denied parole.

State of the evidence: Documented
Attribution: Personally implicated

Sources · 2

[1]
Los Angeles TimesJuan Corona, California serial killer convicted of killing 25 farmworkers, is again denied parolePressHigh reliability
[2]
California Department of Corrections and RehabilitationInmate Juan Corona Dies of Natural CausesOfficial documentVery high reliability

Last verified: 15 September 2026

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5 December 2011

Seventh parole hearing: admission of murders followed by another denial

Conviction

At his seventh parole hearing, Corona admitted to the board that he had killed and mutilated the 25 farm workers, citing their presence in the orchards. The board denied parole.

State of the evidence: Documented
Attribution: Personally implicated

Sources · 2

[1]
Los Angeles TimesSerial killer Juan Corona is denied parole a seventh timePressHigh reliability
[2]
CBS Sacramento / Associated PressUPDATE: Serial Killer Juan Corona Denied ParolePressHigh reliability

Last verified: 15 September 2026

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1984–2003

Series of parole denials

Conviction

Following his second conviction, Corona was repeatedly denied parole in 1984, 1987, 1990, 1993, 1998 and 2003.

State of the evidence: Documented

Sources · 1

[1]
California Department of Corrections and RehabilitationInmate Juan Corona Dies of Natural CausesOfficial documentVery high reliability

Last verified: 15 September 2026

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February–September 1982

Second trial: renewed conviction on all 25 murder counts

Conviction

At the conclusion of the second trial held in Alameda County, the defence notably attempted to attribute the crimes to Corona's half-brother. The jury rejected this theory and again found him guilty of all 25 murders; he received 25 concurrent life sentences.

State of the evidence: Established by a court
Legal status — source text: 25 first-degree murder convictions, 25 concurrent life sentences
Attribution: Personally implicated

Sources · 2

[1]
California Department of Corrections and RehabilitationInmate Juan Corona Dies of Natural CausesOfficial documentVery high reliability
[2]
Los Angeles TimesJuan Corona, California serial killer convicted of killing 25 farmworkers, is again denied parolePressHigh reliability

Last verified: 15 September 2026

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1979–1981

California Supreme Court litigation over evidence seized before retrial

Formally charged

Following the reversal of the first trial, Corona was permitted to relitigate the validity of search warrants. The California Supreme Court recognised that a new suppression hearing could be held but ruled that the lower court had wrongly excluded several items of seized evidence and ordered reconsideration of their suppression.

State of the evidence: Documented

Sources · 1

[1]
Supreme Court of California / JustiaPeople v. Superior Court (Corona), 30 Cal. 3d 193Court decisionVery high reliability

Last verified: 15 September 2026

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8 May 1978

1973 verdict overturned for inadequate legal assistance and conflict of interest

Acquitted / conviction overturned

The California Court of Appeal overturned all 25 convictions, finding that the lawyer at the first trial had seriously failed in his duties and that an agreement involving the literary and dramatic rights to the case had created a conflict of interest.

State of the evidence: Documented

Sources · 2

[1]
California Court of Appeal / FindLawPeople v. Corona (1978)Court decisionVery high reliability
[2]
Supreme Court of California / JustiaPeople v. Superior Court (Corona), 30 Cal. 3d 193Court decisionVery high reliability

Last verified: 15 September 2026

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18 January 1973

First conviction for 25 first-degree murders

Conviction

A jury found Corona guilty on 25 counts of first-degree murder. He was imprisoned in February 1973.

Attribution: Personally implicated

Sources · 2

[1]
California Department of Corrections and RehabilitationInmate Juan Corona Dies of Natural CausesOfficial documentVery high reliability
[2]
Supreme Court of California / JustiaPeople v. Superior Court (Corona), 30 Cal. 3d 193Court decisionVery high reliability

Last verified: 15 September 2026

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February–May 1971

Series of 25 murders of farm workers in Sutter County orchards

Conviction

Twenty-five farm workers or men connected with seasonal agricultural work were killed and buried in shallow graves in orchards near the Feather River. Corona, an agricultural labour contractor, was ultimately found guilty of all 25 murders at his second trial.

State of the evidence: Established by a court
Attribution: Personally implicated

Sources · 2

[1]
California Department of Corrections and RehabilitationInmate Juan Corona Dies of Natural CausesOfficial documentVery high reliability
[2]
A&EWhy Juan Corona Is One of America's Most Overlooked Serial KillersPressHigh reliability

Last verified: 15 September 2026

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December 1973

Prison assault: multiple stab wounds and loss of sight in left eye

No legal proceedings

Shortly after his imprisonment, Corona was seriously stabbed at California Medical Facility in Vacaville. The attack caused him to lose sight in his left eye.

State of the evidence: Documented
Attribution: Protagonist is the victim

Sources · 2

[1]
California Department of Corrections and RehabilitationInmate Juan Corona Dies of Natural CausesOfficial documentVery high reliability
[2]
UPIPersonality Spotlight; Juan Corona: Mass murdererNews agencyHigh reliability

Last verified: 15 September 2026

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20 May–June 1971

Discovery of graves, search warrants and accumulation of physical evidence

Investigation

The discovery of Kenneth Whitacre's body on 20 May 1971 and then several other victims on the Kagehiro and Sullivan ranches triggered excavations, warrants targeting premises and vehicles connected to Corona, and the recovery of physical evidence and documents linking several victims to his activities.

State of the evidence: Documented
Attribution: Directly implicated

Sources · 2

[1]
Supreme Court of California / JustiaPeople v. Superior Court (Corona), 30 Cal. 3d 193Court decisionVery high reliability
[2]
Los Angeles TimesJuan Corona, California serial killer convicted of killing 25 farmworkers, is again denied parolePressHigh reliability

Last verified: 15 September 2026

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II. Constellation of documented links

No documented link with another published profile for now.

Two profiles are linked when a documented controversy of one names the other. The link points to that controversy and its sources; it does not indicate a personal relationship.

III. Has something changed?

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