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,

3.8K views · 44 reactions | 溺 Step inside our Central Crime Lab for #ForensicScienceWeek and get a special look at the powerful tools our forensic scientists use to prepare, purify, and extract DNA evidence — from grinding bone fragments with a freezer mill 領 to using robotic instruments and tiny magnets to purify samples! 鱗離This is science in action — helping solve crimes and giving names back to the unidentified. #AZDPS #CrimeLab | Arizona Department of Public Safety | Facebook

29K views · 412 reactions | This video dissects the evidence collection process at a crime scene. It uncovers key pieces of evidence and the chilling detail of the killer's planning. Learn how investigators piece together the truth. #CrimeScene #Evidence #Forensics #Investigation #TrueCrime | Real Crime | Facebook