Serology and forensic DNA analysis involves the examination of crime scene evidence to assist in identifying or exonerating individuals in criminal investigations. In this video, our scientist is checking a knife for the presence of blood. 👁 First, she visually inspects the knife with her naked eye. 🔬 Next, she looks at potential blood stains under the microscope. Blood typically displays at least one of the following characteristics: - Red-brown color - Shiny surface - Crackling Finally, she