Acceptance of domestic cat mitochondrial DNA in a criminal proceeding

Leslie A Lyons, Robert A Grahn, Teri J. Kun, Linda R. Netzel, Elizabeth E. Wictum, Joy L. Halverson

Research output: Contribution to journalReview article

11 Scopus citations

Abstract

Shed hair from domestic animals readily adheres to clothing and other contact items, providing a source of transfer evidence for criminal investigations. Mitochondrial DNA is often the only option for DNA analysis of shed hair. Human mitochondrial DNA analysis has been accepted in the US court system since 1996. The murder trial of the State of Missouri versus Henry L. Polk, Jr. represents the first legal proceeding where cat mitochondrial DNA analysis was introduced into evidence. The mitochondrial DNA evidence was initially considered inadmissible due to concerns about the cat dataset and the scientific acceptance of the marker. Those concerns were subsequently addressed, and the evidence was deemed admissible. This report reviews the case in regards to the cat biological evidence and its ultimate admission as generally accepted and reliable. Expansion and saturation analysis of the cat mitochondrial DNA control region dataset supported the initial interpretation of the evidence.

Original languageEnglish (US)
Pages (from-to)61-67
Number of pages7
JournalForensic Science International: Genetics
Volume13
DOIs
StatePublished - 2014

Keywords

  • Admissibility
  • Control region
  • Feline
  • Felis silvestris catus
  • Forensic science
  • Hair

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Genetics
  • Medicine(all)

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