How did Fox Mulder become a believer? How did Dana Scully become a skeptic? The X-Files Origins has the answers. The X-Files Origins: Agent of Chaos explores the teen years of Fox Mulder, the beloved character depicted in the cult-favorite TV show The X-Files. His story is set in the spring of 1979, when serial murder, the occult, and government conspiracy were highlighted in the news. The book will follow Mulder as he experiences life-changing events that set him on the path to becoming an FBI agent.