Detective Wallace is the author of several books, including “Cold Case Christianity” and “Person of Interest.” Wallace is a Dateline-featured cold-case homicide detective, popular national speaker and best-selling author. He continues to consult on cold-case investigations while serving as a Senior Fellow at the Colson Center for Christian Worldview. We talked with Detective Wallace about the content of his books and how his experience as a homicide detective helped him discover the evidence for Christianity. We also talked about a special video series from Focus on the Family featuring Detective Wallace that is available only to Bott Radio Network listeners.