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Securing the Scene
he scene boundaries are established by identifying the focal point of the scene and extending outward. Any type of physical barrier can be used to section off the area.
A log of all persons who had access to the scene should be maintained. This will provide important information for evaluating the need for elimination samples from those persons.
Crime scene documentation is an important resource for the evaluation of the integrity and condition of the evidence.
View the NIJ brochure, What Every Law Enforcement Officer Should Know About DNA Evidence .
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