Articlegreen2016

Lifestyle chemistries from phones for individual profiling

Amina Bouslimani · Alexey V. Melnik · Zhenjiang Zech Xu · Amnon Amir · Ricardo Silva · Mingxun Wang +4 more

66 citations0/0 files storedProceedings of the National Academy of Sciences

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Forensic Fingerprint Detection Methods Mass Spectrometry Techniques and Applications Metabolomics and Mass Spectrometry Studies

Abstract

Imagine a scenario where personal belongings such as pens, keys, phones, or handbags are found at an investigative site. It is often valuable to the investigative team that is trying to trace back the belongings to an individual to understand their personal habits, even when DNA evidence is also available. Here, we develop an approach to translate chemistries recovered from personal objects such as phones into a lifestyle sketch of the owner, using mass spectrometry and informatics approaches. Our results show that phones' chemistries reflect a personalized lifestyle profile. The collective repertoire of molecules found on these objects provides a sketch of the lifestyle of an individual by highlighting the type of hygiene/beauty products the person uses, diet, medical status, and even the location where this person may have been. These findings introduce an additional form of trace evidence from skin-associated lifestyle chemicals found on personal belongings. Such information could help a criminal investigator narrowing down the owner of an object found at a crime scene, such as a suspect or missing person.

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References

2008Latent Fingerprint Chemical Imaging by Mass Spectrometry 2010Mobile Therapy: Case Study Evaluations of a Cell Phone Application for Emotional Self-Awareness 2009Detection of drugs and their metabolites in dusted latent fingermarks by mass spectrometry 2013Beyond the ridge pattern: multi-informative analysis of latent fingermarks by MALDI mass spectrometry 2012Chemical Characterization of Latent Fingerprints by Matrix-Assisted Laser Desorption Ionization, Time-of-Flight Secondary Ion Mass Spectrometry, Mega Electron Volt Secondary Mass Spectrometry, Gas Chromatography/Mass Spectrometry, X-ray Photoelectron Spectroscopy, and Attenuated Total Reflection Fourier Transform Infrared Spectroscopic Imaging: An Intercomparison 2015Development of Laser Desorption Imaging Mass Spectrometry Methods to Investigate the Molecular Composition of Latent Fingermarks 2015Critical review of forensic trace evidence analysis and the need for a new approach

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2018Revealing Individual Lifestyles through Mass Spectrometry Imaging of Chemical Compounds in Fingerprints 2019Chemical profiling of fingerprints using mass spectrometry 2020Interpol review of fingermarks and other body impressions 2016–2019 2018Detection of exogenous substances in latent fingermarks by silver-assisted LDI imaging MS: perspectives in forensic sciences

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