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Issue 34, 2017
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Balancing the utility and legality of implementing portable mass spectrometers coupled with ambient ionization in routine law enforcement activities

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Abstract

Ambient sampling, portable MS systems have the potential to allow field processing of forensic evidence, as well as serve as a flexible investigative tool during routine law enforcement activities. However, the underlying legal implications of evidentiary data require the discretion of practitioners to ensure both lawful and ethical usage. Herein, practical and theoretical usage scenarios in traffic control stops are investigated using paper spray ionization-mass spectrometry (PSI-MS) on a portable, ruggedized instrument to demonstrate the field utility for law enforcement personnel, particularly in prompting “probable cause” searching of vehicles. Specific applications include the detection and identification of trace level contraband found as surface residues on automotive surfaces, in the presence of latent fingerprints, and in conjunction with emerging evidence types like adulterated beverages and electronic cigarette liquids. In addition, the current state of U.S. search and seizure law is examined in an effort to discern the presumed legal usage modes from the full analytical potential of the technique. These studies, in turn, can assist in predetermining the investigatory and legal impacts of field deployment of similar instrumentation in policing activities.

Graphical abstract: Balancing the utility and legality of implementing portable mass spectrometers coupled with ambient ionization in routine law enforcement activities

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Article information


Submitted
13 Apr 2017
Accepted
28 May 2017
First published
07 Jun 2017

Anal. Methods, 2017,9, 5015-5022
Article type
Paper

Balancing the utility and legality of implementing portable mass spectrometers coupled with ambient ionization in routine law enforcement activities

A. M. Bruno, S. R. Cleary, A. E. O'Leary, M. C. Gizzi and C. C. Mulligan, Anal. Methods, 2017, 9, 5015
DOI: 10.1039/C7AY00972K

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