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Blood Tips

  • Reinforcing Knowledge with Sirchie Webinars: One Police Department’s Story about “How to photograph blood with Bluestar or Luminol”

    By: Jocelyne Terilli
    Sirchie online training webinars can be an effective tool to reinforce your knowledge base and improve your skills.  Here’s one recent story. Tips about Investigating and Documenting Blood Evidence When you find blood evidence at a crime scene using the three-step method, you need to properly document and photograph it. Photographing evidence, especially blood evidence, is an important skill-set for crime scene investigators and law enforcement. Photographs can tell the story better with...
  • BloodTips-06 Lumiscene Detects Invisible Blood Using a Different Approach

    By: Administrator
    Lumiscene Color Analyzer Result Lumiscene is revolutionary water based, chemical blood detection method. Lumiscene helps to visualize latent/ invisible (e.g. washed or removed) blood stains and patterns through a chemiluminescence reaction and is specifically for use in crime scene forensic investigations. This chemical formula is based on luminol and fluorescein and has many superior qualities and advantages over classic luminol or tablet based luminol chemistry. Lumiscene...
  • BloodTips-05 – BLUESTAR FORENSIC KIT

    By: Administrator
    The BLUESTAR Forensic Kit affords the crime scene investigator a complete tool to determine the presence or absence of blood. The extreme sensitivity of BLUESTAR allows the detection of bloodstains down to 1:10,000 dilutions, including minute traces that have been visibly washed off, with or without detergents.   Introduction New toSIRCHIE's line of Blood Search Reagents! The BLUESTAR Forensic Kit affords the BlueStar Developed Print on Cloth   BlueStar Developed Print on...
  • BloodTips-04 Hemastix Blood Test Strips

    By: Administrator
    Chemical field testing for blood using "presumptive" methods as long been practiced by crime scene investigators. Granted, many of the red to reddish brown stains found at crimes scenes are “obviously blood,” and presumptive testing may be eliminated. By Don Penven Chemical field testing for blood using “presumptive" methods has long been practiced by Hemastix Strips crime scene investigators. Granted, many of the red to reddish brown stains found at crimes scenes are “obviously...
  • BloodTips-03 Luminol Reagent

    By: Administrator
    Luminol is a substance that is used as a presumptive test for the presence of blood. Making use of the peroxidase-like activity of the heme portion of hemoglobin, Luminol produces a bluish-white light that can be viewed in total darkness. By: Don Penven Luminol is a chemiluminescent substance that is used as a presumptive test for the presence of blood. Making use of the peroxidase-like activity of the heme portion of hemoglobin, Luminol produces a bluish-white light that can be viewed in total...
  • BloodTips-02 Dischaps Reagents

    By: Administrator
    Blood DISCHAPS™ applications rely on using the contact method of testing—that is, a few drops of distilled water are placed on a strip of filter paper, and the wet filter paper is pressed against the suspected stain. The DISCHAPS™ reagent is then applied to the filter paper, thus preserving the original evidence stain. By: Don Penven Note: Dischaps is the name of a product line manufactured by Sirchie Finger Print Laboratories. It refers to the type of packaging for a series of different...
  • BloodTips-01 Introduction to On-Scene Identification of Blood

    By: Administrator
    The purpose of BloodTips is to provide quick tutorials in the use of the most frequently used Blood Spatter blood screening methods at crime scenes. These tests are PRESUMPTIVE in nature. They, like narcotic and drug field tests, serve a singular purpose—they provide the crime scene investigator with the knowledge that a particular stain possesses the possibility that it is blood, and these tests are not a substitute for crime laboratory analysis. By: Don Penven The purpose of BloodTips is...