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About Debra Allen

Debra Allen is a retired California law enforcement professional, former Senior District Attorney Investigator, and California licensed private investigator with specialized experience in homicide and crimes against children investigations.

Since 1983, she has provided professional investigative services, including more than 20 years as a private investigator in California and Hawaii. Allen Investigations offers confidential missing person investigations, heir searches, adoption search and reunion services, DNA genetic genealogy, probate investigations, and litigation support for attorneys, families, fiduciaries, and private clients throughout California and nationwide.

If you are ready to schedule a consultation, please follow the link below. If you would like to learn more about Debra Allen, her investigative background, and her experience as a licensed private investigator, please visit the About Me page.

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Investigations Services by Allen Investigations

Trial Preparation and Mitigation

Trial Preparation and Mitigation

Trial Preparation and Mitigation

Trial preparation and litigation support investigations including witness location, background research, and case development for attorneys.

Long Term Missing Persons

Trial Preparation and Mitigation

Trial Preparation and Mitigation

Long Term Missing Persons in California picture.

Allen Investigations specializes in long-term missing person investigations and person location services throughout California and nationwide.

California Post Adoption Search Investigations

California Post Adoption Search Investigations

California Post Adoption Search Investigations

California post adoption search investigator using genealogy records and map to locate birth relativ

Discreet post-adoption search services helping adoptees and birth families locate biological relatives and reconnect.

Infidelity Investigations

California Post Adoption Search Investigations

California Post Adoption Search Investigations

Discreet investigations to confirm or disprove suspected infidelity through professional surveillance and documented evidence.