Composition of a Killer is an in-depth look into the early childhood development of killers. Hosted by Dr. Kimberly Cassidy, professor of early childhood education and early childhood special education, and Darlene D. Lee, radiology tech, certified yoga instructor, and avid true crime and brain development researcher, Composition of a Killer dives into the early childhood experiences that likely affected the brain development of people who became cold-blooded killers. Referencing early childhood development theories, adverse child experiences (ACES), McDonald Triad, and many other research-based resources, Dr. Cassidy and Darlene Lee will keep readers riveted with the heinous crimes of the worst killers in history.