Talking Brains Podcast: a conversation about malevolent obsessive-compulsive disorder with Seth J. Gillihan PhD. Malevolent or "monster" obsessive-compulsive disorder (OCD) includes obsessions about hurting other people. Licensed psychologist Seth J. Gillihan PhD gives us more info about malevolent OCD, including treatment. Dr. Gillihan is a clinical assistant professor of psychology at the University of Pennsylvania. [...]