Explore the fascinating world of forensic soil science in this 50-minute video lecture by Prof. Lorna Dawson. Discover how soil, with its unique properties akin to fingerprints, serves as a powerful tool in criminal investigations. Learn about the application of soil science at crime scenes, the importance of level searches, and the Lockhart's Exchange Principle. Gain insights into surface soil analysis, dust particle examination, and the role of time in forensic soil investigations. Understand how forensic scientists utilize soil as identification markers to aid in solving crimes, drawing inspiration from Sir Arthur Conan Doyle's works. Delve into the intricate process of soil analysis, from crime scene collection to laboratory examination, and explore its wide-ranging applications in forensic science.