Forensic Investigation Curriculum (pdf) - Darien Public Schools

UNIT 8: Trace Evidence
Essential Question 1: What types of trace evidence might be found, recognized,
collected and analyzed at a crime scene?
Essential Question 2: What characteristics of hair, fibers, pollen & spores, glass, etc.
are useful in providing evidence in crime scenes?
CONTENT KNOWLEDGE OBJECTIVES
Initial Understanding
� Detail the different types of trace evidence that might be found at a crime scene.
� Demonstrate how different types of physical evidence are collected.
Developing an Interpretation
� Describe the origin and structure of human hair.
� State how pollen and spores are formed.
� Discuss the origin and structure of fibers and glass.
Making Connections
� Explain how the physical characteristics of hair, fibers, pollen, and glass make
them useful pieces of evidence in a crime scene.
� List the steps in recognizing, collecting, and packaging trace evidence.
Taking a Critical Stance
� Compare and contrast different types of glass based on density and refractive
index.
� Distinguish between human and animal hair.
� Separate natural and manmade fibers based on physical and chemical
characteristics.
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