COURSE DESCRIPTION: DNA has been significant in revolutionizing the entire field of forensic science. This impact is felt within the criminal justice system and most importantly contributes to safeguarding society as it determines the guilt or innocence of an individual under criminal investigation. This course introduces the student to the vital, precise process of crime scene evidence collection, to the variety of essential DNA databases utilized by law enforcement on the national and international scene and much more. The required reading and viewing materials integrated in the course provide the student an absorbing, in-depth online learning experience.

OBJECTIVES: Upon completion of this course, the student will be able to:

  1. Describe the types of physical evidence typically encountered at a property crime scene
  2. Define Locard's Exchange Principle
  3. Describe types of trace and biological evidence
  4. Define "touch DNA" evidence
  5. Explain the importance of maintaining the integrity of physical evidence
  6. List and describe the three types of crime scenes
  7. Describe the process used to secure and investigate a crime scene
  8. Describe the purpose of a victim interview
  9. Describe methods used to locate evidence at a crime scene
  10. Describe the importance of scene documentation in successful case resolution
  11. Define priorities for collecting biological evidence
  12. Define situations that require control and reference samples to be collected
  13. Describe equipment used when collecting biological evidence
  14. Describe procedures used to collect, mark and package wet and dry biological evidence
  15. Describe the purpose and method used to establish and maintain the chain of custody for items of evidence collected at a crime scene
  16. Describe the methods used to preserve evidence
  17. List the elements included in a crime scene report
  18. Describe general requirements for an investigator when testifying in court
  19. Describe the purpose and use of DNA databases
  20. List the different types of DNA profiles in CODIS
  21. Describe the purpose of a "John Doe" DNA warrant


COURSE FEE: $44.95 (Group rates are available upon request. Contact .)

WHO MAY TAKE THIS COURSE: Medical professionals, allied health professionals (certified phlebotomy technicians, clinical laboratory scientists, (CLS), medical technologists, medical laboratory technicians, EMT personnel), military medics, law enforcement, attorneys, corporate individuals, students human resources and other licensed professionals involved in blood specimen collection.



PRESENTATION METHOD: This downloadable course is in PDF format.

TEACHING METHOD: This is a self-paced course.

DURATION: All course requirements must be completed within 6 months of enrollment.

METHOD OF COURSE GRADING: Pass/fail grading system. Course examination is multiple choice and true/false statements. When a score of less than 70% is received, the examination may be taken one time without charge. Contact: for further information regarding additional retakes of the examination.

METHOD OF COURSE EVALUATION: After successful completion of the course examination, a course evaluation must be submitted to .

CERTIFICATE OF COMPLETION: Upon completion of the course content, examination with a passing grade of 70% and evaluation, student will receive a certificate of completion.

REQUIRED COURSE MATERIALS: All readings are incorporated in the course.


AUTHORíS BIOGRAPHICAL INFORMATION: Janet Barber DuvalJanet S. Barber, MSN, RN, Colonel, USAF NC, (Ret)

Course Procedure from start to completion.

All courses and materials are based on United States laws and regulations unless otherwise noted. Laws vary from state to state.