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Forensic psychology
Forensic psychology

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1.2 Co-witnessing

Figure 3

It is important to consider whether there was more than one witness to a crime, and how each witness’ memory and testimony might be affected by talking to other witnesses.

Helen Paterson is a Senior Lecturer in Forensic Psychology at the University of Sydney, Australia, and a world expert on co-witnessing, a term that refers to crimes that are witnessed by two or more people who then share accounts of what happened. Listen to the following co-witnessing interview, in which Helen describes the impact that co-witnessing can have and how this topic has been researched.

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Remember that our crime was witnessed by two people, so when evaluating the evidence they provide you should take the effects of co-witnessing into account.