Explain the packaging methodologies for biological evidence


350 words

1. Explain the proper collection and packaging methodologies for biological evidence. Why should biological evidence never be packaged in air-tight or non-breathable mediums?

2. What is PCR analysis? Why is this application important particularly for cold cases or cases in which only a small amount of DNA is recovered?

3. What is STR analysis? Why is this an effective method for DNA typing?


Original responses to the Forum questions each week need to be substantial (350 words) and significantly supported by two scholarly references. Students must also use proper spelling, grammar, and sentence structure. The in-text citations and references will be in APA Format.

Reading & Resources


Augenstein, S. (2017, August). Rapid DNA Act Signed into Law, Setting Target of 90 Minute CODIS Profiles. Forensic Magazine.

Bulman, P. (2014, February). Solving Cold Cases with DNA; The Boston Strangler Case. National Institute of Justice.

FBI. Combined DNA Index System (CODIS).

Forensic DNA. National Institute of Justice.

Minor, J. (2013). Touch DNA: From the crime scene to the crime laboratory. Forensic Magazine.

Wilson, D. B., Weisburd, D., McClure, D., & Wilson, D. B. (2011). Use of DNA testing in police investigative work for increasing suspect identification, arrest, conviction, and case clearance. Campbell Systematic Reviews, 7.

Supplemental Reading:

Alvarez-Cubero, M. J., Saiz, M., Martinez-Gonzalez, L. J., Alvarez, J. C., Eisenberg, A. J., Budowle, B., & Lorente, J. A. (2012). Genetic identification of missing persons: DNA analysis of human remains and compromised samples. Pathobiology, 79(5), 228-238.

Department of Justice. (2002). Using DNA to solve cold cases. NIJ Special report.

National Forensic Science Technology Center (2013). A Simplified Guide to DNA Evidence.

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