Former FBI profiler Candice DeLong discusses her career investigating serial killers, violent criminals, and high-profile cases. DeLong shares insights into criminal psychology and the profiling methodology used to identify and capture dangerous offenders. The conversation explores specific cases from DeLong's FBI career including the Unabomber investigation. DeLong discusses the psychological profiles of different serial killer types and the patterns that help investigators narrow suspect pools. The discussion addresses the reality of FBI work versus Hollywood portrayals and the emotional toll of confronting human evil. DeLong examines the interview techniques used to elicit confessions and the psychology of interrogation. The broadcast explores how profilers analyze crime scenes to understand offender psychology and predict future behavior. DeLong discusses her transition from psychiatric nursing to FBI agent and the skills both professions require. The conversation addresses the challenges facing women in federal law enforcement and DeLong's groundbreaking role. DeLong examines whether violent criminals can be rehabilitated or whether some people are irredeemably dangerous.