GEDmatch

GEDmatch

Company type	Private
Industry	Genetic genealogy, Forensic analysis
Founded	2010
Founder	Curtis Rogers, John Olson
Headquarters	Lake Worth , United States
Area served	Worldwide
Key people	Curtis Rogers (founder)
Products	DNA analysis tools, genealogical research tools, Tier 1 premium subscription
Parent	Verogen Inc.

GEDmatch is an open-access website that provides tools for DNA analysis and genealogical research, serving both individuals exploring their family history and law enforcement agencies conducting forensic investigations. Users upload genetic information obtained from various genealogy testing services to compare their DNA with other participants and law enforcement databases. The platform has encountered criticism regarding the privacy of user data and the ability of law enforcement to access information without users’ explicit permission. Established by genealogy enthusiasts Curtis Rogers and John Olson, GEDmatch was purchased in 2020 by Qiagen, a company with Chinese ownership, and is currently managed by Verogen Inc., a forensic sequencing firm specializing in DNA research for law enforcement within the same corporate structure.

GEDmatch attracted significant media coverage in April 2018 after law enforcement utilized the site to identify the Golden State Killer in California. This breakthrough led to widespread adoption of GEDmatch by agencies investigating serious crimes, positioning it as a vital resource for forensic DNA and genealogical data. Nevertheless, investigations into regulatory compliance uncovered that law enforcement accessed DNA comparisons across all users, including those who had opted out, facilitated by insiders at GEDmatch.

History

GEDmatch was launched in 2010 by Curtis Rogers, a retired entrepreneur, and John Olson, a transportation engineer, based in Lake Worth, Florida. The site’s main mission was to support both amateur and professional genealogists, including adoptees seeking biological relatives. Users upload autosomal DNA files from commercial testing companies to discover potential familial connections with others who have also contributed their data. While accounts can be registered under pseudonyms, an email address is mandatory. Additionally, users can share ancestry information by uploading GEDCOM files or linking DNA kit numbers from WikiTree profiles.

The platform provides functionalities such as sorting matches according to genetic proximity, calculating genetic distances, estimating the number of generations to shared ancestors, and ethnicity prediction tools. A Tier 1 premium subscription offers enhanced features like triangulation and customizable comparison tools. By May 2018, GEDmatch’s database contained 929,000 genetic profiles, with 7,300 subscribers paying $10 per month for premium services. These fees supported annual server expenses estimated at $200,000. At that time, Rogers and Olson operated the site with the help of five volunteers and no full-time employees. Rogers noted that by 2018 the platform had enabled approximately 10,000 adoptees to locate their birth parents.

On December 9, 2019, GEDmatch was acquired by Verogen Inc., a company specializing in forensic sequencing technology aimed at advancing forensic science. The platform’s collection of 1.2 million DNA profiles was redirected toward applications in criminal investigations. Verogen intends to generate revenue through the database and its analytical tools while keeping basic access free of charge. Founder Curtis Rogers remains actively involved and has reiterated the commitment to serving consumer genealogy needs alongside enhancing infrastructure and privacy protections. He emphasized genealogy’s contribution to public safety through aiding criminal case resolutions.

By September 2020, GEDmatch’s user base had grown to approximately 1.45 million individuals and had played a role in roughly 150 cold case arrests as of October.

Data Privacy at GEDmatch

Concerns about data privacy and confidentiality remain paramount when individuals share genealogical DNA data with service providers. GEDmatch has been subject to regulatory scrutiny regarding its data management practices, revealing that opting out does not always guarantee protection against unauthorized access or misuse of genetic information.

Modifications to Data Privacy Policy

Effective May 2025, GEDmatch’s terms of service, updated November 22, 2024, under Verogen Inc, specify that DNA data uploaded by users "remains the property of the uploader." Users are required to designate privacy preferences for each DNA file: Private (no comparisons permitted), Opt-In (permits comparisons including those by law enforcement), Opt-Out (allows user-to-user comparisons but excludes law enforcement), or Personal Research (enables comparisons without displaying the profile in reports).

Under previous management, GEDmatch’s April 2018 privacy declaration acknowledged that sharing DNA data among users was a fundamental aspect of the platform. In May 2019, the company introduced mandatory opt-in or opt-out options concerning law enforcement access to DNA profiles to limit forensic usage. By May 2020, roughly 260,000 participants had chosen to opt in.

The revised policy mandates that investigators must identify themselves prior to uploading profiles and forbids federal agents from using suspect DNA data to investigate medical or psychological characteristics. It also prohibits covert collection of relatives’ DNA without informed consent or a warrant. These federal regulations do not apply to state or local law enforcement agencies, which conduct the majority of investigations.

Incidents of Data Privacy Violations

GEDmatch has encountered considerable difficulties safeguarding user genetic information, attracting regulatory attention despite the implementation of opt-in privacy controls. Law enforcement accessed user DNA data without explicit consent, prompting GEDmatch to adopt an opt-in framework for law enforcement matching. Nonetheless, the default recommendation for new uploads to "opt in" raised concerns about whether consent was fully informed and clearly understood.

In November 2023, GEDmatch admitted to breaches in data privacy and violations of its terms of service. Forensic genealogy experts circumvented user privacy settings, enabling law enforcement access to profiles of users who had not opted in. These practitioners also promoted secrecy, trained others in improper practices, and altered reports to hide these breaches. As a result, sensitive genetic relationship details were exposed despite user-imposed restrictions.

A Florida court authorized a warrant in November 2019 requiring GEDmatch to provide access to all user DNA profiles, including those who had not opted in—approximately 185,000 out of 1.3 million users at that time had opted in. GEDmatch complied with this order, raising significant concerns regarding user privacy and the company’s approach to data protection.

In September 2019, the U.S. Department of Justice released interim directives for federal investigators utilizing genetic genealogy databases. These guidelines restricted forensic genealogy primarily to violent crimes such as murder and sexual assault and identification of unidentified human remains, emphasizing that conventional investigative techniques should be exhausted first. Expanded use was allowed only if consistent with the ancestry database’s policies, underscoring the delicate balance between public safety priorities and privacy considerations within this developing sector.

Usage in Law Enforcement

In December 2018, authorities in the United States announced that GEDmatch and genetic genealogy techniques had been instrumental in resolving 28 cold cases involving homicide and sexual assault that year. Additionally, Family Tree DNA allowed law enforcement agencies, including the FBI, to submit crime scene DNA profiles to support investigations, positioning GEDmatch among several genetic genealogy platforms utilized for criminal case resolutions.

GEDmatch's user demographic is largely composed of white individuals, which contrasts with the FBI's CODIS database where white representation is comparatively lower. This demographic imbalance increases GEDmatch's utility for identifying white suspects who might otherwise remain undetected. In May 2019, GEDmatch revised its privacy policy to explicitly state its collaboration with law enforcement. By September 2020, the platform had played a role in nearly 120 arrests related to cold cases and helped identify 11 unidentified individuals across the United States.

Notable Cases Solved or Suspects Identified Through GEDmatch

• Investigators in California working on the Golden State Killer case uploaded a DNA profile from a Ventura County rape kit to GEDmatch. This led to the discovery of 10 to 20 distant relatives, enabling genealogist Barbara Rae-Venter and her team to construct an extensive family tree culminating in former police officer Joseph James DeAngelo. DNA samples collected from discarded items matched the suspect’s profile, resulting in his arrest in April 2018 after approximately four months of investigation.
• In September 2018, Roy Charles Waller was apprehended as the "Norcal Rapist" when DNA from multiple Northern California sexual assault cases was linked via GEDmatch to a relative. Law enforcement built a family tree and identified Waller within one week. He was charged with 40 counts of rape.
• A grand jury in Orange County, North Carolina indicted John Russell Whitt in May 2019 for the first-degree murder of his son Bobby Whitt. The boy’s remains, discovered beneath a billboard in 1998, remained unidentified until genealogical analysis by Rae-Venter revealed mixed ancestry and located a cousin through genetic databases. Subsequent investigation connected Whitt to both murders; he is currently serving a federal sentence for armed robbery and is not eligible for release until 2037.
• In 2020, Toronto police employed GEDmatch to solve the murder of Christine Jessop.

Parabon Nanolabs

Parabon Nanolabs partners with U.S. law enforcement agencies by uploading DNA evidence collected from crime scenes onto GEDmatch with the goal of identifying offenders. By November 2018, Parabon was managing approximately 200 active cases and reported that by May 2019 it was resolving cold cases at an average rate of one per week.

DNA Doe Project

Established in 2017 by genealogists Dr. Colleen M. Fitzpatrick and Margaret Press, the DNA Doe Project leverages GEDmatch alongside volunteer genealogists to identify unidentified remains, thereby supporting forensic casework. Notable identifications include:

• The "Buckskin Girl," discovered in Ohio in 1981, was identified as Marcia King through autosomal DNA analysis in 2018.
• Joseph Newton Chandler III was revealed to be Robert Ivan Nichols after his DNA was uploaded to GEDmatch in 2018.
• "Sheep Flats Jane Doe," found in Nevada in 1982, was identified as Mary Silvani in 2018; her murderer, James Richard Curry, was also located via genetic genealogy.
• "Alfred Jake Fuller," a decedent discovered in Maine in 2014, was identified by December 2018.
• "Anaheim Jane Doe," from 1987, was identified as Tracey Coreen Hobson toward the end of 2018.
• "Lavender Doe," a Texas case from 2006, was identified as Dana Lynn Dodd in early 2019; notably, her killer had confessed without knowing her identity.
• "Rock County John Doe," found in Wisconsin in 1995, was identified as a hypothermia victim in February 2019.
• "Butler County Jane Doe," from Ohio in 2015, was identified as Darlene Wilson Norcross in March 2019 despite never being reported missing.
• "Annie Doe," a 1971 Oregon case, was identified as Annie Marie Lehman through cooperation with NCMEC and NamUs in March 2019.
• "Vicky Doe," an early victim of serial killer Shawn Grate, was identified as Dana Nicole Lowrey in June 2019.
• The "Belle in the Well" case from Ohio (1981) resulted in identification as Louise Virginia Peterson Flesher by July 2019.

The DNA Doe Project’s innovative application of genetic genealogy combined with collaborative efforts has propelled forensic identification forward, illustrating an effective business strategy for integrating advanced technology with law enforcement to resolve cold cases worldwide.

Florida Department of Law Enforcement’s Genetic Genealogy Program

The Florida Department of Law Enforcement initiated its Genetic Genealogy Program in 2018, utilizing GEDmatch to address unresolved cases. By 2019, the program had successfully solved four cases, and by the close of 2020, it had facilitated ten arrests or identifications and closed numerous additional investigations.

Law Enforcement DNA comparison

After the capture of the Golden State Killer, co-founder Curtis Rogers reviewed the ethical and legal frameworks surrounding law enforcement’s use of GEDmatch. He emphasized that GEDmatch's terms notify users their genetic data could be accessed for criminal investigations. In May 2018, GEDmatch revised its policy to authorize law enforcement use specifically for identifying suspects involved in violent crimes such as homicide or sexual assault or for identifying deceased persons. Following the publicity around the DeAngelo case, daily user uploads surged from approximately 1,500 to 5,000, with total users reaching 1.2 million by November 2018.

In May 2019, GEDmatch contributed to apprehending a teenager accused of violent assault—marking the first instance where law enforcement utilized the database for a crime other than homicide, rape, or kidnapping.

Privacy advocates have expressed concerns regarding law enforcement’s access to GEDmatch and similar genetic databases. Professor Rori Rohlfs pointed out that authorities face more stringent court order requirements when accessing official criminal databases like CODIS compared to GEDmatch. Legislative attempts in Maryland and Utah aimed at limiting police use of genetic genealogy databases were unsuccessful, underscoring continuing debates balancing privacy rights against investigative benefits.

See also

• Combined DNA Index System
• Family Tree DNA
• GEDCOM
• Investigative genetic genealogy

External links

• GEDmatch