This 47-minute instructional DVD will show you how to use BLUESTAR® FORENSIC on a crime scene. Correct blood search procedure and methods are demonstrated by Philippe Esperança, a seasoned crime scene investigator and MS in criminalistics, and Jean-Marc Lefebvre-Despeaux, founder and chief executive of the BLUESTAR company. You will watch the re-enactment of a blood search inside a house. Each situation is explained in full details, from the preparation and spraying of the reagent under its different versions, pointing out false positive, to evidence photography, collecting samples, and verifying blood with HEXAGON OBTI. Run time: 47 minutes.