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Who Created The Locard's Exchange Principle And What Is It?

839 Words4 Pages

OVERVIEW: Done.
ASK:
1. What is the definition of Forensic Science?
2. Who created the Locard’s Exchange Principle and what is it?
3. What are the different types of crime laboratory units?
4. What is Forensic Pathology?
5. What is the difference between Rigor Mortis, Livor Mortis and Algor Mortis?
6. What is Forensic Odontology?
READ: Done.
WRITE:
1. What is the definition of Forensic Science?
a. According to the textbook titled Criminalistics, Forensic Science is defined as the application of science to the criminal and civil laws that are enforced by police agencies in a criminal justice system.
2. Who created the Locard’s Exchange Principle and what is it?
a. Edmond Locard created the Locard’s Exchange Principle. Locard stated …show more content…

Livor Mortis is when the heart stops pumping and the blood begins to settle in the parts of the body closest to the ground. The skin will appear dark blue or purple in those areas. The skin will not appear discolored in areas where the body is restricted by either coloring or if an object pressing against it.
c. Algor Mortis is the postmortem changes that cause a body to lose heat. The process by which the body temperature continually cools after death until it reaches the room temperature. The rate of heat loss is influenced by factors such as the location and size of the body, the victims clothing, and weather conditions.
6. What is Forensic Odontology?
a. Forensic Odontology helps identify victims when the body is left in an unrecognizable state. They will take the teeth of the victim, as the characteristics of teeth, their alignment, and the overall structure of the mouth provide evidence identifying a specific person.
EVALUATE: I believe that I have an overall good understanding of the chapter. There may be a few, small ideas talked about in the text that I will need to revisit. One of the ideas that I will need to revisit is the history section of the chapter.
TEST:
1. (#1 in textbook) Forensic Science
2. (#3 in textbook) Alphonse …show more content…

The first topic in the chapter was about the definition of Forensic Science and how the current definition came to be. Next, it jumped into the history of Forensic Science. It talked about each of the people that contributed to Forensic Science. The book also explains how those people contributed to Forensic Science. A couple people that the book talked about was Alphonse Bertillon, Leone Lattes, Hans Gross, and Edmond Locard. Since Locard was talked about, the book also talked about the Locard’s Exchange Principle, which simply states that if you come in contact with an object or another person a cross transfer of material will be made. Next, the book brought up the organization of the crime laboratories. It stated that approximately 350 public crime laboratories operate at various levels of government, and can vary in size ranging from one person working to more than one hundred. Another thing that is talked about in this chapter is the different types of crime laboratories units and what they do. The units range from biology to voiceprint analysis. Chapter one also talked about important court cases. These court cases included Frye v. United States and Daubert v. Merrell Dow Pharmaceuticals Inc. This chapter also explained what the difference between Rigor Mortis, Livor Mortis and Algor Mortis is. Lastly, the chapter talked about the number of specialized Forensic Science services

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