<< "Who broke Grandma's favorite vase?" As you listen to a chorus of "I don't know" and "Not me," how will you determine the culprit? Conventional wisdom says, divide and conquer, but what does scientific research show us about questioning a group of people at one time? Unfortunately, very little. >>
Michelle Ponto. How easy is it to spot a lie? Researchers look at the art of deception during group interviews. 25 Aug 2016.
http://www.eurekalert.org/pub_releases/2016-08/f-hei082516.php
<< Investigators often have multiple suspects to interview in order to determine whether they are guilty or innocent of a crime. Nevertheless, co-offending has been significantly neglected within the deception detection literature. The current review is the first of its kind to discuss co-offending and the importance of examining the detection of deception within groups >>
Zarah Vernham, Par-Anders Granhag, Erik Mac Giolla. Detecting Deception within Small Groups: A Literature Review. Front. Psychol. 30 June 2016 DOI: 10.3389/fpsyg.2016.01012