
Cold-Case Christianity: A homicide detective applies forensic skills to investigate Christianity's claims. Featured extensively on NBC's Dateline, J. Warner Wallace's bestseller brings courtroom-level evidence to faith. What if the most compelling case for Jesus came from a cop who solved decades-old murders?
James Warner Wallace is the bestselling author of Cold-Case Christianity and an award-winning homicide detective who applies forensic investigation techniques to Christian apologetics. Born in 1961, Wallace was a committed atheist for 35 years before investigating the claims of the New Testament gospels using his cold-case detective skills—an investigation that ultimately led to his conversion to Christianity.
He earned a Master's Degree in Theological Studies and now serves as a Senior Fellow at the Colson Center for Christian Worldview and adjunct professor of apologetics at Biola University, Gateway Seminary, and Southern Evangelical Seminary.
Wallace's investigative work has been featured extensively on NBC's Dateline, Fox News, TruTV, and Court TV, and he was awarded the California Peace Officers Association COPSWEST Award for Cold-Case Investigation of the Year. His other acclaimed works include God's Crime Scene, Forensic Faith, Person of Interest, and The Truth in True Crime. He also hosts The Cold-Case Christianity Podcast, which has published over 450 episodes exploring evidence for God's existence and biblical reliability, and appeared in the faith-based film God's Not Dead 2.
Cold-Case Christianity is an apologetics book where homicide detective J. Warner Wallace applies ten common rules of evidence and forensic investigation techniques to examine the reliability of the New Testament and the claims of Christianity. Wallace, a former atheist, uses his expertise in analyzing eyewitness testimony from cold-case murders to build a circumstantial case for the historicity of Jesus and the credibility of the Gospel accounts.
J. Warner Wallace is a cold-case homicide detective trained in Forensic Statement Analysis—the scientific analysis of witness statements to determine their truth and reliability. As someone who investigates murders from the distant past with little forensic evidence, Wallace specializes in evaluating eyewitness testimony. He was a devout atheist and self-described "angry skeptic" before applying his investigative methodology to the Gospels, which led to his conversion to Christianity.
Cold-Case Christianity is ideal for spiritual seekers questioning Christianity's validity, skeptics wanting evidence-based answers, and Christians who want to articulate a compelling case for Jesus and biblical reliability. The book appeals to 21st-century readers who enjoy detective work or true crime, as Wallace presents his arguments through the lens of criminal investigation rather than traditional theological or philosophical approaches. It's particularly useful for those who value evidence and critical thinking over emotional appeals.
Cold-Case Christianity remains a valuable apologetics resource, especially in its updated and expanded edition with 300 new illustrations, completely revised content, and a new afterword addressing common questions about New Testament reliability. The book's unique detective approach offers a fresh perspective compared to traditional apologetics works, making complex theological arguments accessible through familiar crime-solving frameworks. It has been described as a "modern Christian classic" and proven bestseller that has "changed lives around the world".
Wallace applies the same step-by-step investigative process he uses to solve cold-case murders to evaluate Christianity's claims. He examines the Gospels as potential eyewitness accounts using forensic statement analysis, assesses the chain of custody for biblical manuscripts, distinguishes between reasonable and emotional doubts, and builds a cumulative circumstantial case. This methodology treats the Gospels not as religious texts to accept on faith alone, but as evidence to be rigorously tested using objective investigative standards.
Cold-Case Christianity teaches ten essential detective principles in its first section, which are then applied to Christianity in the second section. These include thinking circumstantially (understanding direct versus indirect evidence), mastering chain of custody for evidence reliability, distinguishing reasonable from emotional doubts, and preparing for attacks on evidence. Wallace explains each principle through personal illustrations from real criminal cases before demonstrating how these same standards validate the Gospel accounts' credibility and Jesus's historicity.
Circumstantial evidence consists of multiple indirect pieces of evidence that individually allow multiple explanations but collectively point to a single reasonable conclusion. Wallace explains that courts of law regard circumstantial and direct evidence with equal weight—neither is inferior. This is crucial for Cold-Case Christianity because historical events, like cold-case murders, often lack direct evidence, yet circumstantial evidence can still establish truth beyond reasonable doubt when pieces combine to form a coherent case.
Wallace demonstrates how the Gospels exhibit characteristics of authentic eyewitness testimony based on forensic statement analysis standards used in criminal investigations. He shows that Mark's Gospel appears based on Peter's eyewitness account and that the Gospel writers were present at the events they describe. Wallace examines the chain of custody between when Jesus lived and when the Gospels reached the Council of Laodicea, addressing critics' concerns about potential contamination or fabrication of evidence.
Cold-Case Christianity clarifies the role evidence plays in the Christian definition of faith, arguing that biblical faith is trust based on evidence rather than blind acceptance without proof. Wallace demonstrates that Christianity can be investigated using the same rigorous standards applied to criminal cases, and that one can believe "because of the evidence, not in spite of it". He distinguishes between "believing that" Christianity is true versus "believing in" Christ, urging readers to combine intellectual conviction with personal commitment.
The updated edition of Cold-Case Christianity features completely revised and expanded content with a redesigned page layout, 300 new illustrations and graphic elements, and an updated introduction including Wallace's testimony of moving from atheism to faith. It includes a new afterword responding to commonly asked questions about New Testament reliability and free downloadable resources:
Wallace was a devout atheist who couldn't imagine believing Christianity until he applied his homicide detective methodology to the Gospels. When reading Mark's Gospel with the same forensic statement analysis he used at work, he discovered something unexpected: the Gospels appeared to be authentic ancient eyewitness accounts rather than mythological storytelling. Confronted with evidence that the Gospel writers were reliable witnesses present at the events, Wallace realized he could no longer deny Christianity's truth based on the same evidentiary standards he used to prosecute criminals.
According to reviewers, while Wallace's detective background provides unique insights into analyzing witness testimony and forensic evidence, his approach proves to be a "double-edged sword". The detective methodology that initially seems distinctly helpful can also be limiting when applied to theological and historical questions that may require different analytical frameworks. Some critics question whether criminal investigation standards fully translate to evaluating religious claims and ancient historical documents, though reviewers generally praise the book's accessible presentation and reasoning skill discussions.
Feel the book through the author's voice
Turn knowledge into engaging, example-rich insights
Capture key ideas in a flash for fast learning
Enjoy the book in a fun and engaging way
Spouses kill each other.
Keep an open mind throughout the trial.
Science examines natural phenomena systematically.
Detectives don't rely on direct evidence alone.
The resurrection emerges as the most reasonable inference.
Break down key ideas from Cold-Case Christianity into bite-sized takeaways to understand how innovative teams create, collaborate, and grow.
Distill Cold-Case Christianity into rapid-fire memory cues that highlight key principles of candor, teamwork, and creative resilience.

Experience Cold-Case Christianity through vivid storytelling that turns innovation lessons into moments you'll remember and apply.
Ask anything, pick the voice, and co-create insights that truly resonate with you.

From Columbia University alumni built in San Francisco
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
From Columbia University alumni built in San Francisco

Get the Cold-Case Christianity summary as a free PDF or EPUB. Print it or read offline anytime.
Imagine a decorated homicide detective who spent decades solving unsolvable murders suddenly turning his investigative skills toward the most controversial cold case in history: the resurrection of Jesus. J. Warner Wallace was a hardened atheist for 35 years before applying his forensic expertise to the New Testament claims. What began as an attempt to debunk Christianity led to an unexpected conclusion-the evidence pointed toward the reliability of the Gospels and the truth of the resurrection. This transformation from vocal skeptic to Christian apologist carries unique weight precisely because Wallace approached faith not with blind belief but with the same rigorous standards he applied to murder investigations. When we encounter extraordinary claims, our natural response is skepticism. But what happens when a professional skeptic-someone trained to question everything and follow only the evidence-finds himself convinced by the very case he set out to disprove?