Just like any other science, forensic science is based on principles and laws. These are the law of individuality, the law of progressive change, Locard's law of exchange, the law of probability, the principle of comparison, and the principle of analysis. What do these mean, and how do they guide crime scene investigation? Let's find out! Script by Kuldeep Kawar Watch the whole Forensic Science playlist: Classical Physics Tutorials: Modern Physics Tutorials: General Chemistry Tutorials: Organic Chemistry Tutorials: Biochemistry Tutorials: Biology/Genetics Tutorials: Pharmacology Tutorials: Psychology Tutorials: EMAIL► ProfessorDaveExplains@ PATREON► Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: Bookshop: Barnes and Noble: