Blood and Blood Spatter Chapter 8

Learning Objectives Explain the composition of blood Describe the function of blood cells Determine the blood type of a blood sample Conduct a blood splatter analysis Examine wounds and describe the nature of the weapon Find and process blood evidence 2

Watch the video and then answer the questions. Journal Entry (5min) Please write today’s date (October 29 , 2012). Complete journal below. Do you think fingerprints are likely to remain on evidence found in the water? Watch the video and then answer the questions. Video Link: http://videos.howstuffworks.com/science-channel/14374-discoveries-this-week-underwater-detectives-video.htm

1. What was the crime? A body was dumped in the water. A person fell over the side of a boat and drowned. A boat was stolen.

2. Why wasn’t the “killer” worried about leaving evidence behind? He knew the evidence couldn’t be traced back to him. He figured the water would wash away all the evidence.

3. Fingerprints are likely to remain on evidence found in the water. True False

4. What is the correct order for processing a water crime scene? Photograph the area, gather evidence, and record measurements Record measurements, photograph the area, and gather evidence Photograph the area, record measurements, and gather evidence