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Examples of Familial Searching Leads
Although familial DNA searches and partial matches involve different practices, the leads they develop advance criminal investigations in the same way. For example, in Los Angeles a lead developed from a familial search led to the identification of the "Grim Sleeper," a serial killer who had terrorized the area for over 25 years, committing at least 11 murders.9
Similarly, in North Carolina, Darryl Hunt served 18 years in prison for a murder he did not commit. Thanks to the analysis of available biological evidence, it was revealed that the DNA was a "partial match" to a profile from a man already incarcerated, Anthony Brown. With some investigatory police work, it was determined that Anthony Brown's older brother, Willard, committed the crime. Willard Brown was convicted, and Mr. Hunt received his freedom.10
9 Office of the Attorney General, Press Release: California's Familial DNA Search Program Identifies Suspected "Grim Sleeper" Serial Killer » (July 07, 2010)
10 60 Minutes: A Not So Perfect Match » (July 15, 2007)
Additional Online Courses
- What Every First Responding Officer Should Know About DNA Evidence
- Collecting DNA Evidence at Property Crime Scenes
- DNA – A Prosecutor’s Practice Notebook
- Crime Scene and DNA Basics
- Laboratory Safety Programs
- DNA Amplification
- Population Genetics and Statistics
- Non-STR DNA Markers: SNPs, Y-STRs, LCN and mtDNA
- Firearms Examiner Training
- Forensic DNA Education for Law Enforcement Decisionmakers
- What Every Investigator and Evidence Technician Should Know About DNA Evidence
- Principles of Forensic DNA for Officers of the Court
- Law 101: Legal Guide for the Forensic Expert
- Laboratory Orientation and Testing of Body Fluids and Tissues
- DNA Extraction and Quantitation
- STR Data Analysis and Interpretation
- Communication Skills, Report Writing, and Courtroom Testimony
- Español for Law Enforcement
- Amplified DNA Product Separation for Forensic Analysts