Where I was and how I will prove it: on the believability of alibis

Hendrikus Johannes Christoffel Nieuwkamp

Research output: ThesisDoctoral ThesisInternal

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Innocent suspects are expected to prove their innocence by providing a credible alibi. However, only 2% of non-offenders are able to do so. Although detectives only find an alibi credible if it remains unchanged and it is supported by strong evidence, such as camera images, the alibi of non-offenders is usually supported by weaker evidence, such as a witness testimony. Non-offenders may also make a mistake or lie to cover up being with a mistress, for instance. When assessing a suspect’s alibi, detectives should therefore take into account the content of the alibi, the feasibility of obtaining (strong) evidence and the fallibility of memory.
Original languageEnglish
Awarding Institution
  • Maastricht University
  • van Koppen, Peter, Supervisor
  • Horselenberg, Robert, Co-Supervisor
Award date7 Mar 2018
Place of PublicationMaastricht
Print ISBNs9789462338708
Publication statusPublished - 2018


  • innocent suspects
  • alibi
  • evidence
  • memory


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