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An electronic body-tracking dog?

C Hädrich¹, C Ortmann, R Reisch

¹Institute for Legal Medicine, Universität Leipzig, Leipzig, Germany. Carsten.Haedrich@medizin.uni-leipzig.de

International Journal of Legal Medicine

|March 27, 2009

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Researchers explored using electronic noses to detect buried human remains, similar to how tracker dogs identify scent patterns. This study suggests the potential for developing an "electronic body-tracking dog" for forensic applications.

Area of Science:

Forensic Science
Analytical Chemistry
Sensor Technology

Background:

Tracker dogs are the primary method for locating hidden bodies, relying on scent pattern recognition.
Electronic noses (e-noses) offer potential for detecting and comparing complex scent patterns.
Sensitive scent detectors are established in food, environmental, and material analysis.

Purpose of the Study:

To investigate the feasibility of using electronic sensors for detecting buried human remains in outdoor environments.
To compare scent profiles of buried carcasses with control samples over time.

Main Methods:

Burying rabbit carcasses (coneys) in soil at varying depths.
Conducting regular scent measurements over a 4-week period.
Utilizing gas chromatography-mass spectrometry (GC-MS) for scent analysis and pattern "fingerprinting".

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Main Results:

Demonstrated distinct scent patterns emanating from buried carcasses.
Collected time-series data on scent evolution from decomposing organic matter.
GC-MS analysis provided detailed chemical profiles of the detected scents.

Conclusions:

Electronic sensors show promise for detecting buried human remains.
The study supports the viability of developing an "electronic body-tracking dog" system.
This technology could offer a novel tool for forensic investigations.