Detection: Scanning and ‘sniffing’ technologies

Peter Lehr*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)


Even the best efforts of counter-terrorism specialists sometimes come to naught when an individual or a group with ill intent slips through the net for one reason or another. Hence, in this chapter I look at yet another ‘silver bullet’ in the shape of technology that enables us to see beneath the layer of clothing, or beneath the canvass of a backpack, in order to decide whether there is a threat or not – especially in the vicinity of access points of locations where many people congregate, thus offering an easy-to-attack soft target. The technologies in question are metal detectors, full-body scanners, explosives detection systems, and explosives trace detectors. I also discuss the advantages and disadvantages of various systems, in particular highlighting the controversies around the first generation of full-body scanners.

Original languageEnglish
Title of host publicationAdvanced Sciences and Technologies for Security Applications
Number of pages14
Publication statusPublished - 2019

Publication series

NameAdvanced Sciences and Technologies for Security Applications
ISSN (Print)1613-5113
ISSN (Electronic)2363-9466


  • Automated Threat Recognition (ATR) software
  • Explosives detection systems
  • Explosives trace detectors
  • Full-body scanners
  • Metal detectors


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