Making A Case – How Psychology Can Inform the Investigative Process
2.1 Detecting Lies
After an arrest the purpose of the interview is to collect more evidence in order to establish guilt or innocence.
Police officers are trained to look for body language cues.
In the USA, polygraph testing is used.
Mann et al. (2004) Police Officers Ability to Detect Suspects’ Lies
Aim of the Study
To test police officers ability to distinguish between truths and lies during interviews with…