Cody Porter, a senior teaching fellow in Psychology and Offending Behaviour, at the University of Portsmouth, said the AIM technique is an “effective and ethical” way of seeing whether a

person is lying. She said in an article for The Conversation: “At its core, it is designed to provide suspects with a clear means to demonstrate their innocence or guilt to investigators by

providing detailed information.” Ms Porter added that interviewers should give clear instructions to interviewees that "if they provide longer, more detailed statements about the event

of interest, then the investigator will be better able to detect if they are telling the truth or lying". She said: “In contrast, liars wish to conceal their guilt. This means they are