Unusual Collaboration and Techniques to Solve a Cold Case Homicide

Monday September 13th, 2021 // 8:30 am - 5:00 pm // Monterrey Rooms 1-3

Early Registration$250.00
Standard Registration$275.00
Student Registration$225.00

Fee includes breakfast, lunch, and materials. We encourage early registration and will be waiving cancelation penalties for 2021.


Presentation of the challenges and obstacles faced in solving a 47 year old cold case kidnapping, sexual assault and homicide of an eleven year old girl. Unusual collaboration between numerous law enforcement agencies, medical examiner offices, forensic anthropologist, public and private forensic/DNA laboratories, unique investigative techniques and Genetic Genealogy were used to solve this case. Several generations of DNA technologies, CODIS, familial searching, genetic genealogy and human remains exhumation were utilized over sixteen years. Participants will benefit from lessons learned, new forensic approaches to solve cold cases as well as the requirements for successful prosecution of these cases.

Learning Outcomes:

  1. How to approach cold case evidence analysis and potential problems.
  2. Investigative approaches and problems of opening and investigating cold cases.
  3. Types of forensic disciplines and DNA technologies used to solve this cold case.
  4. How to use Genetic Genealogy analysis in solving cold cases.
  5. How to use private laboratories and unique forensic technologies to help solve cold cases.
  6. Challenges experienced in collaborating teamwork between law enforcement and medical examiner agencies, law enforcement and private forensic laboratories, and District Attorney Offices and Court systems.
  7. Legal requirements and concerns of using Genetic Genealogy evidence and exhumation of human remains.

Intended Audience:

Forensic Scientists, Attorneys, Detectives, Genetic Genealogists, and the general public


Private: John BockrathChair

Senior Criminalist, Los Angeles County Sheriff’s Department

John Bockrath has been a Senior Criminalist with the Los Angeles County Sheriff’s Department Scientific Services Bureau since 1990. During his career he has worked and testified in the areas of narcotics and blood alcohol testing, driving under the influence of alcohol, forensic biology, DNA, crime scene investigation and bloodstain pattern analysis.

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Private: CeCe Moore

Chief Genetic Genealogist, Parabon

CeCe Moore, Chief Genetic Genealogist at Parabon, is the leading authority on investigative genetic genealogy (IGG), successfully collaborating with hundreds of law enforcement agencies across North America. Her small team boasts the unparalleled track record of 175 successful identifications of violent criminals and unidentified decedents, averaging one solved case per week. CeCe’s cutting edge work has led to the first conviction, the first conviction through jury verdict, and the first exoneration in cases where the suspect was identified through investigative genetic genealogy.

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Private: Rachel Oefelein

DNA Labs International (DLI)

Rachel Oefelein is currently the Director of Research and Innovation, Quality Assurance Manager, and a Senior DNA Analyst at DNA Labs International (DLI). Since joining DNA Labs International in 2014, Rachel has testified in eleven Florida counties, five states and U.S. Territories, and five countries as an expert witness for both the prosecution and the defense in misdemeanor and felony trials, as well as Williams, Daubert, and Arthur hearings.

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