J. Warner Wallace is a cold-case homicide detective, popular national speaker and best-selling author. He continues to consult on cold-case investigations while serving as an adjunct professor of apologetics at Biola University and as a faculty member at Summit Ministries. J. Warner was a conscientious and vocal atheist until the age of thirty-five, when he took a serious and expansive look at the evidence for the Christian Worldview and determined that Christianity was demonstrably true. After becoming a Christ follower in 1996, Jim continued to take an evidential approach to truth as he examined the Christian worldview. He eventually earned a Master’s Degree in Theological Studies from Golden Gate Baptist Theological Seminary.

J. Warner served as a Youth Pastor for several years, then planted a church in 2006. Along the way, he created and built the Cold-Case Christianity website, blog and podcast as a place to post and talk about what he discovered related to the evidence supporting Christianity. Jim has appeared on television and radio, explaining the role that evidence plays in the Christian definition of “faith” and defending the historicity of Jesus, the reliability of the Bible and the truth of the Christian worldview. Jim also speaks at churches, retreats and camps as he seeks to help people become confident Christian case makers. J. Warner’s book, Cold-Case Christianity, provides readers with ten principles of cold case investigations and utilizes these principles to examine the reliability of the gospel eyewitness accounts. In God’s Crime Scene, he investigates eight pieces of evidence in the universe to make the case for God’s existence.