There are more than 250,000 unsolved murders and disappearances in the U.S. — and YOU want to help. But can you when you’re not the police? How do you get started?Cold Case Help shows how to use resources available to the public (court records, archives, criminal histories, and many others). How to get records. How to interview witnesses. How to create timelines and victimologies, evaluate evidence, and publicize your case. How to deal with cold case DNA. It’s frank about why cases go cold, and ...