James Kimmel, Jr., JD, is a lecturer in psychiatry at the Yale School of Medicine, a lawyer, and the founder and co-director of the Yale Collaborative for Motive Control Studies. A breakthrough scholar and expert on revenge, he first identified compulsive revenge seeking as an addiction and developed the behavioral addiction model of revenge as a public health approach for preventing and treating violence. He is the creator of The Nonjustice System, the Miracle Court app, and Saving Cain for recovering from grievances and revenge desires and preventing mass violence. He maintains an active legal practice and speaking calendar and is the author of two other books on revenge: Suing for Peace: A Guide for Resolving Life's Conflicts and The Trial of Fallen Angels, a novel.