Studied a sample of 32 shoplifters referred for psychiatric assessment. Some demographic, epidemiological and criminological characteristics of the sample are reviewed. It is concluded that the 3 factors leading to a shoplifting act by "unusual shoplifters" are an extrinsic factor, namely the sales technique, and 2 intrinsic factors, a passive-aggressive personality and a stressful interpersonal situation. (24 ref) (PsycINFO Database Record (c) 2012 APA, all rights reserved)