How female serial killers actually work, according to a former FBI profiler

Presented by the new Hulu original series "Furious." Candice DeLong is a former FBI agent and profiler. She has interviewed dozens of female killers and at least one convicted female serial killer, Vickie Dawn Jackson. DeLong joined the FBI in the 1980s after working as a psychiatric nurse, bringing her mental health background to her investigative work. During her 20-year career with the bureau, DeLong specialized in profiling violent offenders. She has studied female killers for over 20 yea...