Unidentified Human Remains Expert Witnesses

Scottsdale, Arizona

Forensic Science, Law Enf & Criminal Justice - Forensic Genetic Genealogy, Investigative Genetic Genealogy, DNA Case Review, Familial DNA Analysis, Cold Case, Unidentified Human Remains, STR and SNP DNA Analysis, Genealogical Tree Building, Wrongful Identification, Alternative Suspect Analysis, DNA Investigative Errors, Law Enforcement DNA Practices

I am a retired law enforcement detective and an active forensic genetic genealogist specializing in the review, evaluation, and application of DNA-driven investigative techniques in criminal cases. My work focuses on forensic genetic genealogy (FGG/IGG/FIGG), including the use of SNP DNA testing, genealogical tree construction, familial DNA analysis, and investigative logic used to identify or exclude persons of interest. I assist attorneys in evaluating whether genetic genealogy methods were applied appropriately, ethically, and within accepted investigative standards. I have over 25 years of experience in criminal investigations, including homicide, violent crime, and cold cases. Since transitioning into forensic genetic genealogy, I have worked cases involving unidentified human remains, suspect identification, investigative missteps, and vendor-driven DNA errors. I am frequently consulted to review law enforcement and third-party vendor genetic genealogy work for accuracy, met...

Lewes, Delaware

DNA, Forensic Science - NGS, Forensic lab accreditation, DVI, Quality assurance, Whole genome sequencing, SNP, Degraded DNA, Kinship, Y chromosomal DNA, FIGG, mtDNA, Unidentified human remains, Population genetics, Analysis interpretation and review, Genetic genealogy, STR, Contamination, Validation, Sequencing, Ancestry

Forensic DNA Expert | Former Deputy Director, Armed Forces DNA Lab | NGS • Whole Genome Sequencing • SNPs • mtDNA • ISO 17025 • FBI Quality Assurance Standards Summary: Charla Marshall, Ph.D., is an award-winning forensic geneticist with over 15 years of experience in human identification. Formerly, as Deputy Director of DNA Operations and Chief of Emerging Technologies at the Armed Forces DNA Identification Laboratory (AFDIL), she led the validation and implementation of next-generation sequencing (NGS), single nucleotide polymorphism (SNP) kinship inference, and mitochondrial DNA (mtDNA) methods for some of the most challenging forensic cases in history including the identification of Korean War and WWII unknowns. She has authored more than 30 peer-reviewed publications and is an editorial board member of two premier journals in forensic genetics. Dr. Marshall is the Founder and Principal Consultant of DNAID Services, where she supports international forensic laboratories and t...