An investigation into threatening letters sent to a popular elementary school teacher.To learn more about how HLN protects listener privacy, visit <a href="cnn.com/privacy">cnn.com/privacy</a> Learn more about your ad choices. Visit <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a>

Shoe-in for Murder

Forensic Files is a pioneer in the field of fact-based, high-tech, dramatic storytelling. This series of television programs delves into the world of forensic science, profiling intriguing crimes, accidents, and outbreaks of disease from around the world.