Sarah Stein, Ph.D. is a Cold Case consultant and the co-founder of The Center for the Resolution of Unresolved Crime. She has co-authored two texts on Cold Cases and published several articles related to the topic. Her most recent literary contribution has been a chapter in Survivors: Shocking True Stories About America's Pursuit of Police Transparency & Justice, compiled by Dennis N. Griffin of The Transparency Project. She consults and teaches regularly for law enforcement agencies and provides guidance for families regarding unresolved cases in the United States and internationally.