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Sex Offender Gaps
If a comparison of a state's registered sex offender database to the CODIS database reveals a gap, those offenders will likely fall into one of the following categories:
- Offender was convicted before legislation took effect and moved to the registering state
- Offender was transferred pursuant to the interstate compact, and a sample for DNA analysis was not collected
- Offender was covered by state law, but a specimen was not collected
- Offender was not covered by state law
Offender Was Convicted Before Legislation Took Effect
Only retroactive legislation will require this category of offenders to submit a sample for DNA analysis. Most states allow persons to submit a specimen by consent. In the absence of state law, consent is the only vehicle by which this sample will be entered into the database. Coordination with the state crime laboratory is essential in consent submission.
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