“…For instance, a US study on traffic police stop and search behaviors found that race was a significant predictor of being stopped by police, as certain races were perceived by the police of fitting the profile of an offender (Williams & Stahl, ). Previous research has considered the accuracy of profile predictions (e.g., Kocsis, ), the perceived accuracy of profile predictions (e.g., Alison, Smith and Morgan, ; Kocsis & Heller, ; Kocsis & Middledorp, ), and the perceived usefulness of profiles within genuine investigative scenarios (e.g., Copson, ; Jackson, Van Koppen, & Herbrink, ). However, despite the use of profiles being particularly controversial and provocative (Alison & Rainbow, ), research has failed to examine the effect such expert advice has explicitly on investigators' judgments.…”