Processing the Crime Scene Kendall/Hunt Publishing Company

The Seven S’s of Crime-Scene Investigation 1. the Scene 2. the Witnesses 3. the Scene 4. the Scene 5. the Scene 6. for Evidence 7. and Collecting Evidence

First Officer on the Scene Chapter 3 1. Securing the Scene First Officer on the Scene A the crime scene, determines the nature of the crime and assist the injured D the witness A the perpetrator (if possible) P the crime scene from destruction/addition of evidence T Kendall/Hunt Publishing Company Kendall/Hunt

Kendall/Hunt Publishing Company Chapter 3 2. Separating the Witnesses Witnesses must not be allowed to Investigators will the witnesses’ accounts to each other Kendall/Hunt Publishing Company Kendall/Hunt

Kendall/Hunt Publishing Company Chapter 3 3. Scanning the Scene 4. Seeing the Scene Scanning the Scene Where do need to be taken? Primary vs. crime scene Seeing the Scene Crime scene examiner will take photos Overall area and photos will be taken Kendall/Hunt Publishing Company Kendall/Hunt

Kendall/Hunt Publishing Company Chapter 3 5. Sketching the Scene Crime Scene Sketch Date: August 14, 2005 Criminalist: Ann Wilson Time: 11:35 am Location: 4358 Rockledge Dr., St. Louis, Mo. N 5 ft Kendall/Hunt Publishing Company Kendall/Hunt

Kendall/Hunt Publishing Company Chapter 3 6. Searching for Evidence Search Methods pattern—basically a double-line search; effective, but time-consuming pattern—best in large, outdoor scenes pattern—most effective in houses or buildings; teams are assigned small zones for searching pattern—may move inward or outward; best used where there are no physical barriers Kendall/Hunt Publishing Company Kendall/Hunt

Kendall/Hunt Publishing Company Chapter 3 7. Securing and Collecting Evidence Packaging Most items should be packaged in a primary container and then placed inside a secondary one. Trace evidence may be placed on a piece of paper which is then folded in a particular way called a These are then placed inside other containers such as paper bags, plastic bags, etc. Kendall/Hunt Publishing Company Kendall/Hunt

Kendall/Hunt Publishing Company Chapter 3 Chain of Custody There must be a of all people who have had of an item of evidence Evidence container must be marked for identification. Collector’s initials should be placed on the seal. If evidence is turned over to another person, the transfer must be recorded. Kendall/Hunt Publishing Company Kendall/Hunt

Kendall/Hunt Publishing Company Video https://www.youtube.com/watch?v=ZZHf5G8MuUw Kendall/Hunt Publishing Company