Archived | Principles of Forensic DNA for Officers of the Court | Retaining DNA Samples

photo of 3 evidence cards. Each card has 4 circles at the top where evidence (like blood droplet) is located — National Institute of Justice (NIJ) (see reuse policy).

When DNA evidence has been lawfully obtained, there is no limitation placed on future examination of the evidence in connection with any other crime. In this regard, DNA evidence is no different than a lawfully collected fingerprint.

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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

See additional NIJ-sponsored training

Date Created: June 20, 2023