Confidence and other things that damage an investigation ...

Apropos confidence … which is subject of another thread.

Pär-Anders Granhag mentions some aspects in the video

Lie Detection and Demeanor Evidence

It focuses on traditional investigations and interviews, but has some interesting
comments on confidence related to accuracy, particularly poor accuracy together with
high confidence, that very probably apply also to other situations.

The full series is probably worth dipping into

https://law.uc.edu/human-factors.html

In each video in this series, a leading expert discusses a particular way in which an investigator
makes a mistake that can lead to a poor conclusions and poor court decisions.