Essentially, it was assumed that eyewitnesses would rely on their memory to choose a suspect rather than making a decision by examining the similarities and differences of those individuals in the lineup (Wells, 2011, Steblay and Dysart p. For example, a victim may unknowingly evaluate members of the lineup and subsequently select an individual who was not the perpetrator, but who most closely resembles his or her physical traits or exhibits mannerisms that the victim associates with his attacker. Therefore, in theory, sequential lineups would work better than their alternative