Objective data on DNA success rates can aid the selection process of crime samples for analysis by rapid mobile DNA technologies

Anna A. Mapes, Ate D. Kloosterman, Christianne de Poot, Vincent van Marion

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Mobile Rapid-DNA devices have recently become available on the market. These devices can perform DNA analyses within 90 min with an easy 'sample in-answer out' system, with the option of performing comparisons with a DNA database or reference profile. However, these fast mobile systems cannot yet compete with the sensitivity of the standard laboratory analysis. For the future this implies that Scene of Crime Officers (SoCOs) need to decide on whether to analyse a crime sample with a Rapid-DNA device and to get results within 2h or to secure and analyse the sample at the laboratory with a much longer throughput time but with higher sensitivity. This study provides SoCOs with evidence-based information on DNA success rates, which can improve their decisions at the crime scene on whether or not to use a Rapid-DNA device. Crime samples with a high success rate in the laboratory will also have the highest potential for Rapid-DNA analysis. These include samples from e.g. headwear, cigarette ends, articles of clothing, bloodstains, and drinking items.
Original languageEnglish
Pages (from-to)28-33
Number of pages6
JournalForensic Science International
Volume264
Issue numberJuly
DOIs
Publication statusPublished - 2016

Keywords

  • crime scene investigation
  • Sensitivity of DNA analysis
  • Rapid mobile DNA Technoligies
  • Forensic science
  • Laboratory DNA typing data
  • Scene of crime officers
  • criminal investigation

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