Arntfield has devoted his career to helping solve cold cases and serial murder. He founded the Western University Cold Case Society which pairs students with police detectives to help solve crimes, often bringing in a surprising collaborators and experts from various fields including mining, architecture and visual arts. In How to Solve a Cold Case, Arntfield lays out the steps to understanding and solving crime. He shows you what to look for, how to avoid common mistakes, recognize patterns and discover what others have been missed.