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An alternative to filing a John Doe warrant is legislative action eliminating or enlarging current statutes of limitations. Some states have extended or eliminated statutes of limitations for certain crimes that involve DNA evidence. Generally, there are no ex post facto or due process clause violations when the statute of limitations is extended before the expiration of the existing statute of limitations. [State v. Haines, 661 N.W.2d 72; 2003 WI 39; 261 Wis.2d 139 (Wis. 2003)].
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