The Devastating Effect of “Tunnel Vision” in Criminal Investigations

Tunnel vision is the result of our mind narrowing its focus to a limited range of possibilities so that alternatives are not considered. Whilst this may be acceptable, or mildly inconvenient, in many areas of life, it has disastrous effects in the criminal justice system. When not checked it leads investigators, prosecutors, judges and defense lawyers to focus on a particular conclusion, while eliminating from the investigation any alternative suspects or theories, and even any contradictory evidence.

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