"Department of Truth" is a comic book series created by James Tynion IV and illustrated by Martin Simmonds. It explores the concept that conspiracy theories can shape reality, suggesting that the more people believe in a false idea, the more power it has to manifest in the real world. The story follows Cole Turner, a man who becomes involved with a secret government agency tasked with managing and controlling these beliefs. The series delves into themes of truth, perception, and the impact of misinformation. It raises questions about the nature of reality and how collective belief can alter it, making readers reflect on the power of ideas in society.