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Identifying Potential DNA Evidence
Typical sources of DNA include blood, saliva, semen, hair and touch evidence. Sources of DNA can be present on a variety of surfaces including food items, hats, bottles, cans, clothing, glasses, shoes, tape, cigarettes, etc.
To aid in determining what evidence could potentially contain DNA useful to an investigation, investigators should have a basic understanding of the principles of DNA and the processes used by the laboratory to analyze submitted samples.7
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7 Simon Ashikhmin, Susan G. Berdine, Mitchell R. Morrissey and Greggory S. LaBerge, Effectiveness and Cost Efficiency of DNA Evidence in Volume Crime Denver Colorado Site Summary PDF download: 80kB
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