In this interview, Trevor speaks with Dr. Ryan Fitzgerald, professor of forensic psychology and law at Simon Fraser University about topics related to eyewitness identification, police line-ups, and memory. Other areas covered include: photo packs, the accuracy of memory generally, changes in memory as we age, how memory can lead us astray, the challenges of identifying criminals, the purpose of police-line-ups and photo packs, the different versions of the lineup procedure, the challenges of administering an appropriate lineup, and the best practices to incorporate when using lineups.