Forensic Activity Sets

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Hair and Fiber Analysis Lab Activity

Hair and Fiber Analysis Lab Activity

How Do Hair and Fiber Differ? In this lab activity, students will learn how to determine the species of origin from a hair sample, differentiate between natural and synthetic fibers, and perform tests to identify the specific type of fiber.

• NGSS Life Science DCI LS1. • Pre- and post-laboratory assessments • Links to a real world scenario • Estimated class/lab time required: 135 minutes

The Mystery of Lyle and Louise: Bite Marks

The Mystery of Lyle and Louise: Bite Marks

Compare Bite Marks to Identifiy the Culprit During the car crash investigation, John Wayne Gretsky presented a bite mark on his arm as an alibi, claiming he was bitten in a bar fight. Your students must determine if he was bitten by a bar patron, or maybe by a victim of the car crash!

• Grade Level 10-College • Links to a real world scenario

The Mystery of Lyle and Louise: Bullet Striations

The Mystery of Lyle and Louise: Bullet Striations

Compare Bite Marks to Identifiy the Culprit More than one gun? Your students must examine a bullet that was found at the scene of the crime to discover more details about the events surrounding the murder!

• Grade Level 10-College • Links to a real world scenario

The Mystery of Lyle and Louise: Nature’s Witness Forensic Entomology

The Mystery of Lyle and Louise: Nature’s Witness Forensic Entomology

Insects Can Tell the Story! The bodies discovered in the cabin crime scene (read story) were unrecognizably decomposing and had large maggot masses on them. Students will learn how forensic entomologists use maggots to determine the post mortem interval (PMI). Students will then examine exemplars of the life stages of two fly species and develop their own personal key for distinguishing between life stage and species.

• Grade Level 10-College • Reuseable Materials

The Mystery of Lyle and Louise: Prescription for Crime™ Drug Testing and Analysis

The Mystery of Lyle and Louise: Prescription for Crime™ Drug Testing and Analysis

Was There Drugs Involved in the Crime? With the criminals still at large, your students must decide the identity of the white powder found in the abandoned truck!

• Grade Level 10-College • Links to a real world scenario

The Mystery of Lyle and Louise: Questioned Documents

The Mystery of Lyle and Louise: Questioned Documents

Determine Whether Fact or Forgery During the investigation of the Mondelo murder, police have turned their suspicion on business partner John Wayne Gretsky, after finding questionable receipts on his desk. Your students must determine if these receipts are legitimate business documents or evidence of a crime. To do this, students must determine objective criteria for hand writing analysis, and then apply these criteria when examining suspect receipts.

• Grade Level 10-College • Links to a real world scenario

The Mystery of Lyle and Louise: Strands of Evidence Hair and Fiber Analysis

The Mystery of Lyle and Louise: Strands of Evidence Hair and Fiber Analysis

What Got Left Behind? A large amount of trace evidence was collected during the investigation of the cabin, and recently additional trace evidence has arrived from the Tumbling Water Land Development Co. truck discovered in New Mexico.

• Grade Level 10-College • Links to a real world scenario