Independent Detective Case File

Marcos Antonio Ayala

Missing

Richmond, Contra Costa, California, USA

Case Number #1597
Date of Incident April 11, 2017
Age 27 DOB: 09/02/1989 Approx. age today: 37
Type of Case Missing
Case Entry November 11, 2026
Last Updated November 8, 2026
Overview

Full Name: Marcos Antonio Ayala

Age at Disappearance: 27 years old

Date of Birth: September 2, 1989

Last Seen: April 11, 2017

Last Known Location: Richmond, Contra Costa County, California

Case Classification: Missing Person

Current Publicly Documented Status: Unresolved; no verified recovery or confirmed resolution was located.

Investigating Agency: Richmond Police Department

Physical Description: Hispanic male, approximately 5 feet 8 inches tall and 170 pounds when he disappeared, with brown hair and brown eyes.

Case Overview: Marcos Antonio Ayala was last seen in Richmond, California, on April 11, 2017. He was 27 years old when he disappeared. Public missing-person records provide limited information about the circumstances surrounding his disappearance, and no publicly verified explanation of what happened to him has been established. His case remains an unanswered disappearance in the available records.


Case Summary

Full Name: Marcos Antonio Ayala

Age at Disappearance: 27 years old

Date of Birth: September 2, 1989

Last Seen: April 11, 2017

Last Known Location: Richmond, Contra Costa County, California

Case Classification: Missing Person

Current Publicly Documented Status: Unresolved; no verified recovery or confirmed resolution was located.

Investigating Agency: Richmond Police Department

Physical Description: Hispanic male, approximately 5 feet 8 inches tall and 170 pounds when he disappeared, with brown hair and brown eyes.

Case Overview: Marcos Antonio Ayala was last seen in Richmond, California, on April 11, 2017. He was 27 years old when he disappeared. Public missing-person records provide limited information about the circumstances surrounding his disappearance, and no publicly verified explanation of what happened to him has been established. His case remains an unanswered disappearance in the available records.


Background and Circumstances of the Disappearance

Marcos Antonio Ayala was born on September 2, 1989. He was 27 years old when he vanished from Richmond, a city in western Contra Costa County in California’s San Francisco Bay Area, on April 11, 2017.

According to his missing-person profile maintained by The Charley Project, Marcos was approximately 5 feet 8 inches tall and weighed 170 pounds at the time of his disappearance. He was described as having brown hair and brown eyes. These identifying characteristics remain important for anyone who may recognize him or have information about his whereabouts.

Beyond these basic details, publicly available information about Marcos’s personal background is limited. Verified sources reviewed for this article do not establish his occupation, educational history, family circumstances, or daily activities before he disappeared. Those details should not be assumed or reconstructed without reliable documentation.

April 11, 2017: The Last Reported Sighting

April 11, 2017, is the documented date on which Marcos was last seen in Richmond. The publicly available missing-person summary does not identify the precise street address, neighborhood, or establishment where he was last observed.

There is also no verified public account establishing who last saw him, what he was wearing, whether he was traveling on foot or in a vehicle, or where he intended to go. The available information does not establish whether he disappeared during an ordinary daily activity, while traveling, or under other circumstances.

These missing details are significant because the hours surrounding a person’s last confirmed sighting can be crucial in reconstructing a disappearance. Without a documented sequence of events, it is difficult for the public to understand when or where Marcos may have encountered a problem or whether anyone witnessed something relevant.

What is documented is that Marcos was last seen on April 11, 2017, and that the missing-person information reviewed does not establish his subsequent whereabouts.


Investigation History and Available Evidence

The Richmond Police Department is identified as the investigating agency in Marcos Antonio Ayala’s missing-person case. His disappearance has also been documented through missing-person information associated with the California Department of Justice and reproduced by independent case-awareness resources.

The Charley Project’s profile records his disappearance date, last known city, physical characteristics, and investigating agency. Its case information was added in September 2018, more than a year after Marcos was last seen.

The existence of these records establishes that his disappearance was publicly documented. However, the available case summaries do not provide a detailed account of investigative actions taken by police.

Searches, Interviews, and Investigative Leads

No reliable public documentation was located describing specific ground searches, organized volunteer searches, witness interviews, surveillance footage, or investigative leads associated with Marcos’s disappearance.

This absence of published information does not establish that investigators failed to conduct searches or pursue leads. Law enforcement agencies do not necessarily release every investigative action, particularly when information could affect an ongoing inquiry or involve private individuals.

Likewise, no verified public record reviewed for this article identifies a suspect, person of interest, arrest, criminal charge, or prosecution connected to Marcos’s disappearance.

Physical Evidence and Forensic Testing

The available case-specific sources do not identify recovered personal belongings, an abandoned vehicle, forensic evidence, or a confirmed crime scene connected to Marcos.

No publicly verified case-specific announcement was located concerning DNA testing, investigative genetic genealogy, unidentified remains, fingerprint comparisons, or other forensic findings that established what happened to him.

California maintains programs that assist law enforcement with missing-person investigations and the identification of unidentified individuals. However, the existence of these statewide resources does not establish that any particular forensic method has been used in Marcos’s case.

There is currently insufficient publicly verified evidence to describe Marcos’s disappearance as a homicide, abduction, voluntary departure, or accidental death. His documented classification is missing person.


Theories and Unresolved Questions

One of the most difficult aspects of Marcos Antonio Ayala’s disappearance is the limited amount of publicly available information about his final known movements. Without a detailed timeline, confirmed witness accounts, or publicly disclosed evidence, the circumstances cannot responsibly be narrowed to a particular explanation.

There is no verified public basis for concluding that Marcos left voluntarily, experienced an accident, was abducted, or became the victim of a violent crime. These possibilities should not be presented as established investigative theories without evidence or official statements supporting them.

Where Was Marcos Last Seen?

Although Richmond is documented as his last known location, the precise location of his final reported sighting has not been established in the publicly available sources reviewed. A verified address or intersection could help identify people who were in the area on April 11, 2017, and who may remember relevant activity.

What Happened After April 11, 2017?

The public record does not establish a confirmed sequence of Marcos’s movements after his last reported sighting. It is unknown from the reviewed sources whether investigators documented subsequent communications, financial activity, transportation records, or other information that might clarify his whereabouts.

Could Someone Still Have Relevant Information?

People who knew Marcos, encountered him around the time of his disappearance, or remember circumstances connected to his last known activities may possess information that was never reported or whose importance was not recognized at the time.

Even a seemingly minor recollection could be worth sharing with investigators. However, tips should be directed to law enforcement rather than circulated as unverified accusations or speculation online.

The central unresolved question remains straightforward: what happened to Marcos Antonio Ayala after he was last seen in Richmond on April 11, 2017?


Latest Publicly Available Investigative Updates

As of October 31, 2026, no publicly confirmed recent investigative breakthrough, recovery, arrest, prosecution, or resolution was located in the sources reviewed for Marcos Antonio Ayala’s disappearance.

The Charley Project continues to provide a case profile documenting his April 11, 2017, disappearance from Richmond. Its publicly displayed case history identifies September 16, 2018, as the date the casefile was added. That historical listing is not evidence of a new investigative development.

Independent missing-person awareness websites also reproduce basic identifying information about Marcos. Such listings can help preserve public awareness, but their continued availability or recent website activity should not be interpreted as confirmation that police have discovered new evidence.

A previously indexed individual California Department of Justice profile for Marcos was not accessible as an active case record during this review. Because the state’s public database represents only a subset of reported missing-person cases, the absence of an accessible individual listing does not independently establish that Marcos has been found or that his investigation has closed.

No verified case-specific announcement was located concerning newly identified remains, genetic genealogy, an age-progression image, a cold-case review, or a renewed search. No recent public statement from the investigating agency confirming a change in case status was identified.

The latest publicly verifiable information therefore leaves the circumstances of Marcos’s disappearance unresolved. Any future determination about his whereabouts or case classification should be based on confirmation from the Richmond Police Department or another responsible official authority.


Conclusion and Public Appeal for Information

Marcos Antonio Ayala was just 27 years old when he disappeared from Richmond, California, on April 11, 2017. More than nine years later, the publicly available records reviewed for this article still do not provide a confirmed explanation of what happened to him.

His case illustrates how a disappearance can remain difficult to understand when few details have been released publicly. The lack of a documented explanation should not be mistaken for proof of any particular outcome.

Anyone with credible information about Marcos’s whereabouts, his activities around April 11, 2017, or circumstances that could assist investigators is encouraged to contact the Richmond Police Department at 510-620-6675. Information may also be directed to the California Department of Justice Missing Persons Clearinghouse at 1-800-222-3463.

Those sharing information should provide factual details directly to investigators and avoid spreading unverified claims about individuals or possible causes of the disappearance.

Marcos Antonio Ayala’s disappearance remains a case deserving careful attention, accurate public information, and a continued effort to establish the truth. Until his whereabouts are reliably confirmed, the question of what happened to him remains unanswered.

Agency / ReferencePhone Number / Case Number
Richmond Police Department — Investigating Agency / Records and Detectives510-620-6675
Richmond Police Department — Non-Emergency Dispatch510-233-1214
California Department of Justice — Missing Persons Clearinghouse1-800-222-3463 (1-800-222-FIND)
NamUs Missing-Person Reference — Reported by Secondary Case-Awareness Source; Not Independently ConfirmedMP50982
DateEvent
September 2, 1989Marcos Antonio Ayala was born.
April 11, 2017Marcos Ayala, age 27, was last seen in Richmond, Contra Costa County, California. His subsequent whereabouts were not established in the available missing-person records.
September 16, 2018The Charley Project’s publicly displayed case history identifies this as the date Marcos’s missing-person casefile was added. The profile identifies the Richmond Police Department as the investigating agency.
October 31, 2026Review of available public case information found no verified recent investigative breakthrough, confirmed recovery, arrest, or official resolution. The disappearance remains unexplained in the sources reviewed.

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Map Location

Richmond, California

On April 11, 2017

Location disclaimer: This map may identify only the general city or surrounding area. It should not be interpreted as the exact location where the homicide occurred, where a person went missing, or where any other case event took place unless an exact location has been independently confirmed and entered.

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