The Relationship of DNA Evidence to Prosecution Outcomes in Sexual Assault Cases

Theodore P. Cross, Laura Siller, Maja Vlajnic, Megan Alderden

Research output: Contribution to journalArticlepeer-review

Abstract

This study examined the relationship between DNA evidence and outcomes of prosecution of sexual assault. Researchers coded data from prosecutor and crime laboratory files for sexual assault cases referred to prosecutors between 2005 and 2011 in a metropolitan jurisdiction in the northeastern United States. Cases with a DNA match were significantly more likely to move forward and result in conviction, even with other predictor variables statistically controlled. Analyses suggest DNA evidence contributes to case progression but also is a result of it. These findings strengthen the case for quality forensic medical examinations, investment in DNA analysis, and increased prosecutor training.

Original languageEnglish (US)
Pages (from-to)3910-3932
Number of pages23
JournalViolence Against Women
Volume28
Issue number15-16
DOIs
StatePublished - Dec 2022

Keywords

  • DNA
  • forensic evidence
  • prosecution
  • sexual assault

ASJC Scopus subject areas

  • Gender Studies
  • Sociology and Political Science
  • Law

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