Colleen M. Fitzpatrick
American forensic genealogist

Colleen M. Fitzpatrick
Born (1955-04-25) 25 April 1955 (age 70)
New Orleans, Louisiana, United States
EducationRice University, Duke University
OccupationsForensic scientist, genealogist
Known forCo-founder of the DNA Doe Project

Colleen M. Fitzpatrick (born April 25, 1955) is an American forensic scientist, genealogist and entrepreneur. She helped identify remains found at the crash site of Northwest Flight 4422, which crashed in Alaska in 1948. Fitzpatrick co-founded the DNA Doe Project which identifies previously unidentified bodies and runs Identifinders International, an investigative genetic genealogy consulting firm that helps identify victims and perpetrators of violent crimes.[1]

Early life and education

Colleen M. Fitzpatrick was born April 25, 1955[2] in New Orleans, Louisiana. Fitzpatrick attended an all-girls Catholic school and nurtured her scientific curiosity through various science competitions including a summer science program in Baton Rouge funded by the National Science Foundation.[3] While applying to colleges, Fitzpatrick conducted an experiment on the Benham disk for her school's science fair.[4] Her project was selected for the Tomorrow's Scientists and Engineers award by Humble Oil which awarded her $6,000 towards her college tuition.[4] She received her BA in physics (1976) from Rice University, and her MA (1983) and PhD in nuclear physics (1983) from Duke University.[3][5]

Early career

Fitzpatrick lectured at Sam Houston University for two years, before leaving to work on a laser radar system at Rockwell International and the LITE Laser at Spectron Laser Systems.[4] She then founded Rice Systems, Inc., an optics company, in her garage in 1986.[3] At Rice Systems, Fitzpatrick worked on contracts with the National Institutes of Health, the National Science Foundation, the Department of Defense, NASA, and DARPA developing high-resolution laser measurement techniques.[3][4][5] Her company grew to employ ten scientists before closing in 2005.[5] At the time, Rice Systems had been working with NASA on a spacecraft to Jupiter before funding was cut by the Bush administration.[4]

Forensic Genealogy

Fitzpatrick transitioned into genealogical research in 2005 after publishing her own book Forensic Genealogy,[6] aiming to establish the field.[7] Her early work in forensic genealogy pertained to historical and missing persons cases, as Forensic genetic genealogy would not emerge until 2018.[8]

Forensic genealogy uses DNA analysis in combination with traditional non-DNA genealogical research methods to help create leads for unsolved crimes by identifying suspects or victims.[9][10] Forensic genealogy usually relies on public records, historical documents, and a heavy emphasis on familial connections.[11]

Forensic genetic genealogy (FGG), also known as Investigative genetic genealogy (IGG) expands on forensic genealogy by analyzing hundred of thousands of single nucleotide polymorphisms (SNPs) across the genome, allowing researchers to compare genetic genealogy databases.[12][13] With this new technology, researchers can compare known DNA and unknown DNA to find individuals that share segments of matching or similar DNA.[13] This allows investigators to potentially identify unknown DNA samples.

Contributions to Forensic Genealogy

Since her career in 2005, Fitzpatrick has helped identify several people, including victims, perpetrators, formerly-unidentified, and more. In doing so, she has created and been a huge factor in organizations and foundations such as Identifinders International,[14] the Porchlight Project,[15] and the DNA Doe Project.[16]

Since then, she has traveled around the world to spread her knowledge on Forensic Genealogy. Her casework and consulting span over 50 countries, due to her language skills.[17] Colleen Fitzpatrick has a working knowledge of 5 or more languages.[18] These include English, French, German, Spanish, German, Russian, and Chinese.[19]

Identifinders International

Shortly after the success of her first book[20] she was asked to locate a married couple in Taiwan due to them fleeing from the state for unpaid taxes.[21] After the deal was made, and she successfully found them, this case would mark the beginning of her relationship with Andy Yeiser.[21] At the time he was an engineer and business management consultant, but over the next few years, they co-founded Identifinders international together.[21]

Formally founded in 2011, Identifinders International's mission is to use investigative genetic genealogy to help law enforcement agencies and the public solve cold cases, conduct identifications and searches, and more.[22] These investigations would lead to identify countless victims, perpetrators of violent crimes, and Jane and John Doe cases.

Fitzpatrick still has an active role in Identifinders International.

Notable contributions:

  • 2008 - Misha: a Memoir of the Holocaust Years book fraud.[23]
  • 2008 - “The Unknown Child on the Titanic" is Sidney Leslie Goodwin, a 19-month English boy.[21]
  • 2008 - Angel at the Fence book, fraud about author's Holocaust survival.[24]
  • 2010 - Remains from Northwest Flight 4422 (Alaska Crash in 1948).[25]
  • 2011 - 1991 Sarah Yarborough homicide. First known attempt to use genetic genealogy on criminals.[26]
  • 2014 - The 1992-1993 Phoenix Canal Murders that lead to Bryan Patrick Miller. First cold case homicide that led to an arrest.[22][27][28]
  • 2015 - Amnesiac Identification of Benjamin Kyle. Collab with CeCe Moore.[29]
  • 2016 - Lori Ruff. Identity-fraud cold case.[30]
  • 2018-2019 - Rapid, City South Dakota rape and murder of Gwen Miller in 1968. Using Y-DNA and Y-chromosome genealogy.[31][32]
  • 2020 - Orange County, California cold case solved over 50 years later, and identified the body of Anita Louise Piteau.[33]
  • 2020 - The murder of Barbara Blatnik in 1987, first official case for the Porchlight Project,[34] and Identifinders International partnership.[35]
  • 2021 - 2003 "Cowboy Hat Bandit," the shooting and killing of Officer Jeff Garner.[36]
  • 2022 - 1992 murder of Nona Stamey Cobb in North Carolina. Perpetrator was identified as Warren Luther Alexander. [37]

DNA Doe Project

The DNA Doe Project was co-founded in 2017 by Margaret Press and Colleen Fitzpatrick as a non-profit corporation.[38] The mission was to identify John and Jane Does using forensic genetic genealogy. [38][39] Fitzpatrick also served as the co-executive direct from 2017 to 2020, when she resigned.[40][41]

A year after the project was founded, in 2018 they identified their first John Doe case, identifying Robert Ivan Nichols, who was an identify thief and took on the alias Joseph Newton Chandler. He committed suicide in 2002. [42][43]

Only a month later, in Troy, Ohio, the team would announce and identify the "Buckskin Girl" as Marcia L. King, a woman who was murdered in 1981.[42]

More contributions:

  • 2018 - Unknown suicide victim from 2001 identified as Lyle Stevik. Restoring identity of the anonymous.[44]
  • 2018 - In 2014, a man found dead in Oakland, Maine later identified as Alfred Jake Fuller. [45]
  • 2018 - Scattered remains from Anaheim, California in 1987 were identified as Tracey Coreen Hobson. [46]
  • 2019 - Ohio homicide investigation from 1981 identify "Belle in the Well" as Louise Virginia Peterson Flesher.[47][48]
  • 2019 - The "Mill Creek Shed Man" from 2015 identified as Nathaniel Terrence "Terry" Deggs.[49][50]
  • 2019 - Body found in West Chester, Ohio in 2015 identified as Darlene Wilson Norcross. [51][52]
  • 2019 - 1982 Nevada homicide identified "Sheep Flat Jane Doe" as Mary Edith Silvani.[53][54]
  • 2019 - 1971 Oregon body identified "Annie Doe" as Anne "Annie" Marie Lehman of Aberdeen Washington. [55][56]
  • 2020 - 1989 Texas homicide victim identified "Corona Girl" as Sue Ann Huskey. [57][58]
  • 2020 - 1980 body in Jones, Oklahoma identified "Lime Lady" as Tamara Lee Tigard.[59][60]
  • 2020 - 2016 homicide in Peoria, Illinois identified "Peoria County John Doe" as John H. Frisch Jr..[61][62]

These are only a handful of contributions during Fitzpatrick's term. A total of 65 re-identified John and Jane Does were discovered by the end of 2021.[42]

Professional associations

She is and an Associate Member of the American Academy of Forensic Science.[63] In 2021, Dr. Fitzpatrick was made a full member of the Vidocq Society, make her one of 82 full members, a number set by the society's charter. Colleen Fitzpatrick is also a current membership in the Australia and New Zealand Forensic Science Society (ANZFSS).[19][14] Additionally, she is also in a professional affiliation with the Victorian Institute of Forensic Medicine (VIFM).[64][19] Colleen can also be seen professionally associated with the Attorney General of Texas' Advisory Committee.[65] Colleen Fitzpatrick is a Forensic Genealogist consultant to numerous associations and professional projects. This includes her membership with The Armed Forces DNA Identification (AFDIL).[66][19][67]

Previously, Colleen was a Fellow of the Society of Photo-Optical Instrumentation Engineers (SPIE)[14]

Awards and honors

  • 2007 - International Society of Family Writers and Editors (ISFHWE) 2nd Place. "Genealogy Meets CSI," Family Tree Magazine. [68]
  • 2007 - Fellow, Society of Photoinstrumentation Engineers (SPIE).[68]
  • 2007 - Awarded Armed Forces DNA Identification Laboratory Service Medal for the 1948 Northwest Flight 4422 identification.[69][68]
  • 2008 - International Society of Family History Writers and Editors (ISFHWE) 1st Place. "Clues Around the House," Ancestry Magazine.[68]
  • 2010 - International Society of Family History Writers and Editors (ISFHWE) 1st Place. "One Man, Two Names, Three Families," Ancestry Magazine.[68]
  • 2018 - Gordon Honeywell Thomas Cold Case Hit of the Year Competition. 5th Place. For the 1991-1993 Phoenix Canal Murders. [70][71]
  • 2019 - U.S. Marshals of Northern District of Ohio, Citizen of the Year Award. For the identification of Joseph Newton Chandler. [72][73][74]
  • 2020 - Gordon Honeywell Thomas Cold Case Hit of the Year Competition. 5th Place. For the 1991 Sarah Yarborough Homicide.[75][71]

Community Outreach

Colleen Fitzpatrick’s labor goes beyond her forensic genealogy work. She has stepped outside of strict casework and has built a public-facing educational outreach. In addition to her investigative contributions, her ongoing commitment to public education and training can be seen across the world., Fitzpatrick has taught and lectured internationally across North America and Europe. She has also traveled to countries such as Canada and Australasia, to teach about Forensic Genealogy.[71][14]

Fitzpatrick has attended various seminars, which include:

  • Forensic Genealogy seminar in Brisbane - Australia (2015)[76]
  • Forensic Genealogy and the Identification of ‘The Buckskin Girl’: A 37-Year-Old Cold Case - Middle Tennessee State University (2019)[77]
  • Forensic Investigative Genetic Genealogy – Part II: Beyond the OMG Era: Forensic Genetic Genealogy 2011–2023, Expectations Versus Realities - Virtual Seminar through AAFS (2023)[78]
  • How Should Forensic Genetic Genealogy Navigate the Court System? - Colorado Convention Center (2023) [79]

Colleen Fitzpatrick's speaking topics can also be specific to certain cases she has personally worked on, which can be booked.[80]

Selected works

Colleen Fitzpatrick has more than 30 published works in numerous different fields. This includes ranging from optics, physics, and to forensic science. Some works include the following:[81]

Books
  • Forensic Genealogy, with Andrew Yeiser, Fountain Valley, CA: Rice Book Press, 2005. ISBN 0-9767160-0-3
  • DNA and Genealogy, with Andrew Yeiser, Fountain Valley, CA: Rice Book Press, 2005. ISBN 0-9767160-1-1
  • The Dead Horse Investigation: Forensic Photo Analysis for Everyone, Fountain Valley, CA: Rice Book Press, 2008. ISBN 0-9767160-5-4
  • The DNA Detective,
Book chapters
  • "The Key is the Camera". The Desperate Genealogist's Idea Book: Creative Ways to Outsmart Your Elusive Ancestors. DeadFred.com. 2006. ISBN 1-4243-0209-9.


Peer-Reviewed Publications:

  • "John Ramsey's Request for Renewed DNA Analysis: A Comment." Forensic Genomics. Vol. 2, No. 2, pp. 31–32. 2022. ISSN 2690-8956
  • "Integrated DNA and Fingerprint Analyses in the Identification of 60-Year-Old Mummified Human Remains Discovered in an Alaskan Glacier." Journal of Forensic Sciences. Vol. 55, pp. 813–818. 2010. ISSN 0022-1198
  • "Hand in the Snow." Journal of Cheminformatics, Supplement 1, Vol. 3, p. 1. 2011. ISSN 1758-2946


Conference Papers:

  • "Waveguide-Based Inertial Navigation Sensor Architecture." AIAA Paper. 2004.
  • "Nonintrusive Fiber Optic Diagnostic for Monitoring Spacecraft Contamination." Proceedings of SPIE – The International Society for Optical Engineering. Vol. 5191. 2003.
  • "Microdiagnostics for Miniature Propulsion Systems." AIAA Paper. 2002.
  • "Comparison of Pulsed Versus CW Behavior of the Diffraction Efficiency of Bacteriorhodopsin Thin Films." Proceedings of SPIE – The International Society for Optical Engineering. 1998.
  • "Integrated Optics Rotation Sensor (IORS) for Dual Use in Military and Commercial Applications." Proceedings of SPIE – The International Society for Optical Engineering. Vol. 361. 1996.
  • "Polarized Proton Capture to the First Excited State in 31P." AIP Conference Proceedings. 1981.

See also

References

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  2. ^ U.S. Public Records Index, Vol. 2. Provo, UT: Ancestry.com, 2010.
  3. ^ a b c d "The DNA Detective". Rice Magazine | Office of Public Affairs | Rice University. Archived from the original on 14 January 2025. Retrieved 22 October 2025.
  4. ^ a b c d e Renner, James (7 November 2018). "The True Story of Two Women Using DNA to Solve America's Most Puzzling Cold Cases". Cleveland Scene. Retrieved 22 October 2025.
  5. ^ a b c "Alumni Profile - From Physics to Forensic Genealogy | Department of Physics". physics.duke.edu. 29 April 2010. Retrieved 22 October 2025.
  6. ^ Fitzpatrick, Colleen (2005). Forensic genealogy. Internet Archive. Fountain Valley, Calif. : Rice Book Press. ISBN 978-0-9767160-0-6.
  7. ^ "Colleen Fitzpatrick". Society for Science. Retrieved 9 October 2025.
  8. ^ Glynn, Claire L. (1 August 2022). "Bridging Disciplines to Form a New One: The Emergence of Forensic Genetic Genealogy". Genes. 13 (8): 1381. doi:10.3390/genes13081381. ISSN 2073-4425. PMC 9407302. PMID 36011291.
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  10. ^ "Investigative genetic genealogy", Wikipedia, 16 July 2025, retrieved 9 October 2025
  11. ^ Glynn, Claire L. (1 August 2022). "Bridging Disciplines to Form a New One: The Emergence of Forensic Genetic Genealogy". Genes. 13 (8): 1381. doi:10.3390/genes13081381. ISSN 2073-4425. PMC 9407302. PMID 36011291.
  12. ^ "United States Department of Justice Interim Policy Forensic Genetic Genealogical DNA Analysis and Searching". 2 September 2019. {{cite journal}}: Cite journal requires |journal= (help)
  13. ^ a b Glynn, Claire L. (1 August 2022). "Bridging Disciplines to Form a New One: The Emergence of Forensic Genetic Genealogy". Genes. 13 (8): 1381. doi:10.3390/genes13081381. ISSN 2073-4425. PMC 9407302. PMID 36011291.
  14. ^ a b c d "About Identifinders Forensic Genealogy". Identifinders International, LLC. Retrieved 9 October 2025.
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  17. ^ "Dr. Colleen Fitzpatrick Presents "You Will Never Look at Your Old Photos the Same Way Again" at our April meeting". Genealogical Society of North Orange County California. Retrieved 28 October 2025.
  18. ^ "Is she the world's greatest DNA Detective?". Orange County Register. 2 October 2009. Retrieved 28 October 2025.
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  26. ^ "Case Study: Sword of Damocles". Identifinders International, LLC. Retrieved 9 October 2025.
  27. ^ "Phoenix Canal Murders". Identifinders International, LLC. Retrieved 9 October 2025.
  28. ^ Loew, Morgan (29 September 2022). "DNA, genealogy led to arrest in Phoenix canal murders case". www.azfamily.com. Retrieved 9 October 2025.
  29. ^ "The Last Unknown Man". The New Republic. ISSN 0028-6583. Retrieved 9 October 2025.
  30. ^ O'Hagan, Maureen (21 September 2016). "'My God, that's Kimberly!': Scientist solves perplexing mystery of identity thief Lori Ruff". The Seattle Times. Retrieved 9 October 2025.
  31. ^ "RCPD Cold Case Unit solves 1968 Gwen Miller homicide". City of Rapid City. 17 June 2019.
  32. ^ Mitchell, Trevor J. "Rapid City police solve 51-year-old cold case with help of genealogy". Argus Leader. Retrieved 9 October 2025.
  33. ^ "A Half-Century Later, Police Identify a Homicide Suspect and His Victim (Published 2020)". 24 July 2020. Retrieved 9 October 2025.
  34. ^ jamesrenner (17 August 2019). "Our First Case: Barbara Blatnik". Providing a new chance at closure for cold cases. Retrieved 9 October 2025.
  35. ^ Gearty, Robert (8 May 2020). "Cleveland man arrested in cold case murder of girl, 17, nearly 33 years ago". Fox News. Retrieved 9 October 2025.
  36. ^ Design, Gadget Web (15 April 2022). "Identifinders Identifies Suspect in 19-Year Old Cowboy Hat Bandit Cold Case". Identifinders International, LLC. Retrieved 9 October 2025.
  37. ^ International, Identifinders (17 March 2022). "Identifinders Collaborates with Multiple Agencies to Solve 1992 Homicide of Nona Stamey Cobb". Identifinders International, LLC. Retrieved 9 October 2025.
  38. ^ a b "Our Organization | DNA Doe Project". dnadoeproject.org. Retrieved 9 October 2025.
  39. ^ Hayden, Erika Check (18 January 2019). "Genetics extends the long arm of the law". Knowable Magazine. doi:10.1146/knowable-011819-1.
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  41. ^ "DNA Doe Project's Post". Facebook. 12 June 2020.
  42. ^ a b c "Meet the DNA Doe Project | Uncovered". uncovered.com. Retrieved 9 October 2025.
  43. ^ John Caniglia, cleveland com (21 June 2018). "Authorities solve cold case of war hero who hid behind dead boy's identity". cleveland. Retrieved 9 October 2025.
  44. ^ "Lyle Stevik | DNA Doe Project". dnadoeproject.org. Retrieved 9 October 2025.
  45. ^ "Alfred Jake Fuller | DNA Doe Project". dnadoeproject.org. Retrieved 22 October 2025.
  46. ^ "Anaheim Jane Doe | DNA Doe Project". dnadoeproject.org. Retrieved 22 October 2025.
  47. ^ "Belle in the Well | DNA Doe Project". dnadoeproject.org. Retrieved 9 October 2025.
  48. ^ Zhang, Sarah (29 July 2019). "She Was Found Strangled in a Well, and Now She Has a Name". The Atlantic. Retrieved 9 October 2025.
  49. ^ "Mill Creek Shed Man | DNA Doe Project". dnadoeproject.org. Retrieved 9 October 2025.
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  52. ^ Hanford-Ostmann, Emily (7 March 2019). "After four years of searching, West Chester police identify woman's remains". WCPO 9 Cincinnati. Retrieved 9 October 2025.
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  57. ^ "Corona Girl Jane Doe | DNA Doe Project". dnadoeproject.org. Retrieved 9 October 2025.
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  62. ^ Staff, WICS/WRSP (28 January 2020). "Skull, torso found along Illinois River identified". WICS. Retrieved 9 October 2025.
  63. ^ "Colleen Fitzpatrick". Association of Professional Genealogists. Retrieved 24 July 2020.
  64. ^ "Sandy Point John Doe is now Identified". DNASolves.com. Retrieved 28 October 2025.
  65. ^ "Advisory Committee Members | Office of the Attorney General". www.texasattorneygeneral.gov. Retrieved 28 October 2025.
  66. ^ "Video: Colleen Fitzpatrick on using optics in forensic genealogy". SPIE.
  67. ^ "Home". www.forensicgenealogy.info. Retrieved 28 October 2025.
  68. ^ a b c d e "Home". www.forensicgenealogy.info. Retrieved 9 October 2025.
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  74. ^ "U.S. Marshals of Northern District of Ohio hold annual awards ceremony". wkyc.com. 12 September 2019. Retrieved 9 October 2025.
  75. ^ "Case Study: Sword of Damocles". Identifinders International, LLC. Retrieved 9 October 2025.
  76. ^ shaunahicks (20 April 2015). "Forensic Genealogy with Colleen Fitzpatrick in Brisbane". Shauna Hicks History Enterprises. Retrieved 28 October 2025.
  77. ^ by (18 September 2019). "DNA 'cold case' expert Fitzpatrick plans Oct. 1 MTSU forensic genealogy talk". MTSU News. Retrieved 28 October 2025.
  78. ^ "JFS Announces Forensic Lab Talks Two-Part Seminar Series on Forensic Investigative Genetic Genealogy! | American Academy of Forensic Sciences". www.aafs.org. 15 September 2023. Retrieved 28 October 2025.
  79. ^ "How Should Forensic Genetic Genealogy Navigate the Court System?". ISHI News. Retrieved 28 October 2025.
  80. ^ "Colleen Fitzpatrick | Keynote Speaker | AAE Speakers Bureau". www.aaespeakers.com. Retrieved 28 October 2025.
  81. ^ "Colleen Fitzpatrick". ResearchGate.
  • Official website
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