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A formalized model of the Trace.
David-Olivier Jaquet-Chiffelle1, Eoghan Casey1
1University of Lausanne, Batochime, Lausanne, Switzerland.
Forensic Science International
|September 20, 2021
Summary
This study introduces a mathematical model for understanding the Trace in forensic science, defining it as a perceptible modification of a Scene resulting from an Event. This framework aims to unify the study of evidence across disciplines.
Area of Science:
- Forensic Science
- Evidence Analysis
- Mathematical Modeling
Background:
- The concept of the Trace is fundamental to forensic investigations.
- Existing understanding of the Trace lacks a unified, formalized framework.
- Locard's Exchange Principle highlights the transfer of evidence.
Purpose of the Study:
- To propose a formalized, mathematical model for the Trace.
- To support a unified understanding of the Trace across scientific disciplines.
- To enhance the study and application of forensic evidence.
Main Methods:
- Development of a mathematical model defining the Trace.
- Representation of the Trace as a modification of a Scene due to an Event.
- Application of the model to forensic examples like DNA and digital evidence.
Main Results:
- A precise mathematical definition of the Trace is established.
- The model demonstrates applicability to diverse forensic evidence types.
- The conceptualization is extended to broader scientific contexts, including public health events like COVID-19.
Conclusions:
- The formalized model provides a unified approach to understanding the Trace.
- This framework strengthens forensic science by promoting cohesive study.
- Encourages further formalized research into tangible and abstract aspects of the Trace.
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