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Law and Human Behavior

, Volume 32, Issue 1, pp 22–27 | Cite as

The Illinois Field Study: A Significant Contribution to Understanding Real World Eyewitness Identification Issues

  • Sheri H. Mecklenburg
  • Patricia J. Bailey
  • Mark R. Larson
Original Article

The Illinois Pilot Program on Eyewitness Identification

In 2006, Illinois law enforcement released the Report to the Illinois Legislature: Illinois Pilot Program on Sequential, Double-Blind Lineup Procedures (“Illinois Pilot Report”), setting forth the data from a year-long, multi-jurisdictional field study examining the efficacy of the sequential, double-blind lineup method. The Illinois data showed that the sequential, double-blind lineups had a known error rate, measured by filler identifications, of 9.2%, whereas the traditional (i.e., simultaneous, non-blind) lineups had a known error rate, also measured by filler identifications, of 2.7%.

The Illinois Pilot Report represents a significant advancement in the study of eyewitness identification. Prior to the Illinois Pilot Report, the advocates of the sequential, double-blind lineups relied upon laboratory studies to support calls for policy changes in eyewitness identification. Some practitioners viewed the laboratory studies with...

Keywords

Eyewitness identification Lineups Sequential presentation Double-blind lineups Field studies 

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Copyright information

© Springer Science + Business Media, LLC 2007

Authors and Affiliations

  • Sheri H. Mecklenburg
    • 1
    • 2
  • Patricia J. Bailey
    • 3
  • Mark R. Larson
    • 4
    • 5
  1. 1.Criminal DivisionUnited States Attorney’s OfficeChicagoUSA
  2. 2.Illinois Pilot Program on Sequential, Double-Blind Lineup ProceduresChicagoUSA
  3. 3.County District Attorney’s Office (Manhattan)New YorkUSA
  4. 4.Criminal Division King County Prosecuting Attorney’s OfficeSeattleUSA
  5. 5.Technical Working Group on Eyewitness IdentificationNational Institute of Justice, United States Department of JusticeRockvilleUSA

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