Physical evidence in Crime

1.What is meant by the term Physical evidence? List some examples or types of physical evidence.

  1. What are some of the important methods used to identify, collect, and preserve physical evidence?
  2. What is Locard’s exchange principle and why is it important to the field of crime scene investigation?
  3. Name and explain the various types of evidence sampling procedures undertaken in crime scene investigation. Under what circumstances would each method be used?
  4. What is meant be the term identification and what is the identification formula?
  5. What are the major forms of fingerprint evidence and how are they collected?
  6. How is print/impression evidence identified and collected?
  7. Discuss the types of evidence that would be classified a tool mark evidence and explain how they are collected.
  8. How does firearms evidence differ from ballistics evidence?
  9. Explain the proper procedure for identifying and collecting arson evidence?
  10. What is blood splatter and how is it used as a form of physical evidence?
  11. Identify the major types of blood splatter
  12. In which crime situations would the collection of bite mark evidence be the greatest importance to investigators?
  13. How are the skeletal remains use to investigators?
  14. Describe how soil, dust, and botanicals can be used as physical evidence.
  15. Imagine you are at a crime scene containing various forms of glass evidence. What possible characteristics contained within the glass evidence could you look for and what would these characteristics indicate?
  16. Name three types of trace evidence and discuss the proper methods for collecting and packaging each type of evidence.
  17. What is cold and hot shock, and how is it of use in the investigation of crimes involving vehicles?
  18. What do hair, fiber, cordage, and paint evidence all have in common?
  19. What are some of the methods used for questioned documents investigations?