NATIONAL FORENSIC SCIENCE WEEK 🔬 Scientists in the Biology/DNA section of the laboratory screen items of evidence that are submitted to the Crime Laboratory Division from crime scenes to locate possible sources of DNA on these items. DNA profiles can be developed from a variety of sources including blood stains, semen, tissue, saliva, and hair roots. During DNA analysis, a DNA profile is developed from crime scene samples and known reference samples collected directly from persons of interest.

29K views · 411 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