Section 5: Evidence Handling

Fundamentals of Criminal Investigation by Adam J. McKee

Proper evidence handling is a critical component of any criminal investigation. Section 5 of this textbook delves into the essential procedures for managing various types of evidence, ensuring that it is preserved in a manner that maintains its integrity for future analysis and presentation in court. This section covers specific protocols for different categories of evidence, providing detailed guidance on best practices.

We begin with Section 5.1: Packaging and Drying Wet Evidence, where you’ll learn the correct methods for handling wet items to prevent contamination or degradation. Following this, Section 5.2: Item Specific Packaging Procedures offers a comprehensive overview of tailored packaging techniques for various types of evidence, highlighting the importance of selecting appropriate materials and methods.

In Section 5.3: Packaging Trace Evidence, the focus shifts to the meticulous handling of trace materials, which often require special care to avoid loss or contamination. Section 5.4: Firearms and Toolmarks explores the protocols for preserving these critical forms of evidence, ensuring that they can be accurately analyzed and compared. Finally, Section 5.5: Impression Evidence discusses the proper techniques for capturing and preserving impressions, such as footprints or tire marks, which are vital for reconstructing crime scenes.

By the end of this section, you will be equipped with the knowledge and skills necessary to handle and preserve evidence according to industry standards, ensuring the reliability of the investigative process.

Student Learning Outcomes for Section 5

When you have finished this section, you will be able to:

SLO 1: Explain best practices for handling, drying, and packaging wet evidence to maintain its integrity.

SLO 2: Describe item-specific packaging procedures, focusing on the preservation of evidence on both portable and non-portable objects.

SLO 3: Discuss techniques for collecting and preserving trace evidence, including the importance of control samples and documentation.

SLO 4: Explain the procedures for handling and documenting firearms, tool marks, and related evidence to ensure accurate forensic analysis.

SLO 5: Outline methods for collecting and preserving impression evidence, including tire and footwear impressions, ensuring accuracy for forensic use.

 

Modification History

File Created:  05/02/2019

Last Modified:  08/13/2024

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This work is licensed under an Open Educational Resource-Quality Master Source (OER-QMS) License.


 

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