Objective: SWBAT summarize the locard Exchange Principle

1. Complete the following on a sheet of paper. Write the objective and answer the questions in complete sentences. You DO NOT have to write the questions. THIS IS SILENT AND INDEPENDENT WORK. Objective: SWBAT summarize the locardExchange Principle Do Now: What is forensic science? When/where is forensic science used? 2. Looking at this picture, what evidence could be collected and used to solve a case

2. Syllabus • http://mshinton.cmswiki.wikispaces.net/

3. Procedures • 1. Do Now 3-6 minutes Silent Write objective and answer questions in comp. ntbk (complete sentences) Will be checked at the end of the week for participation points 2. Exit Ticket 3-6 minutes Silent Answer questions (complete sentences) Will be checked daily

4. Procedures Procedures of this class Notebooks-notes, contract

5. Forensic Science • “Forensic science is the application of science to those criminal and civil laws that are enforced by police agencies in a criminal justice system” WHAT DOES THIS MEAN?

6. Forensic Science • “Forensic science is the application of science to those criminal and civil laws that are enforced by police agencies in a criminal justice system” Forensic science is the application of science to law

7. Now that we know the definition of forensic science How do we make a case against a criminal? How do we find a suspect guilty or not guilty? What’s the job of a forensic science team?

8. Locard Exchange Principle • With contact between items, there will be an exchange (visible and invisible) • In your own words…

9. LEP • When two objectcome in contact with each other, they exchange material If an object come in contact with a (the word) ,_______ could be left behind.

10. LEP • When two items come in contact with each other, they exchange material If an item come in contact with a (the word) ,_______ could be left behind. FOOTBALL

11. Review • Procedures • Do Now • Notebooks • Forensic Science definition • Locard Exchange Principle QUESTIONS????

12. Complete the following on the same sheet of paper with the Do-Nows. For the multiple choice, you may only write the letter for #2 and #3, answer the questions in complete sentences. You DO NOT have to write the questions. THIS IS SILENT AND INDEPENDENT WORK Exit Ticket • 1. The teacher of this class name is A. Ms.Williams C. Ms. Hinton B. Ms. Hindell D. Ms. Hilliams • 2. Define forensic science? • 3. How is the locard exchange principle used to convict a criminal?

13. The Seven S’s of a Crime Scene? • The Scene is simply defined as the actual site or location in which the incident took place.

14. Securing the Scene • It is imperative that the first responding officer on the scene protect the individuals involved as a first priority. • Protecting the evidence is the second task. The entire investigation could be dependent on this. • Why is it important to secure the scene? Scene is secured by a restricting a perimeter, utilizing rope or tape. • Entry of authorized personal is recorded. • All unauthorized personal or removed to eliminate possibility of contamination or transfer of evidence (Locard)

15. Separating the Witness • Witnesses must not be allowed to talk with each other. • This is done so they do not compare stories and so that a new story is not created. (collusion)

16. Scanning the Scene • A forensic examiner needs to be able to scan the scene to determine if there is a primary crime scene or potentially a secondary crime scene. • Primary scene- place the incident occurred • Secondary scene- any other place connected to the incident • Ex. • This is done by the team leader who assumes control and assigns other duties such as who will be the : • Photographer • Log Recorder • Sketch Artist • Evidence Recorder and other personnel • Specialist- entomologist, blood splatter, etc

17. Seeing the scene • Done by the photographer • A photograph is a two-dimensional reproduction of the crime scene. • It serves as the permanent record of the crime scene. • Everyone involved in the investigation will have an opportunity to look at theses photographs (the District Attorney, the defense counsel, • homicide detectives, etc). • They are also very important to you because the photographs will serve as “memory joggers” when you have to get up on the witness stand and testify. • Good pictures are essential because most trials do not take place until a year • or more has passed. • Videos can also be taking at the crime

18. Seeing the Scene • This is done by the photographer • Requirements of each photo: • Photograph overall area from up close and medium range and far away prior to moving anything. • Close up of each piece of evidence with evidence marker (including corpse) • Include a point of reference to indicate size. ( a ruler, a pen, a car key)

19. Sketching the Scene • An accurate rough sketch drawn to scale noting position of evidence and body. • All objects should be measured from 2 immovable landmarks • Sketch should include Case #, date, time, locations, and assignments. • Also included should be dimensions of room, furniture, doors, windows, distance of objects or bodies from entrances and exits • Key Legend, should include direction and scale

20. Crime SceneSketch Date: August 14, 2001 Criminalist: Ann Wilson Time: 11:35 Location: 4358 Rockledge Dr St. Louis, Mo. • A. Couch/sofa • B. Female body • C. Knife • D. Over turned Lamp • E. Chairs • F. Table • G. Fireplace E c D G A E E E F E

21. Exit Ticket Remember this is done individually and silently 2-3 complete sentences for each question Because you are writing in complete sentences you do not need to write the question What could happen if the 7s was done out of order? What may happen if the first officer on the scene forgot to secure the scene? Why are photos and sketches an important part of crime scene?