Keyword: "blood detection"

Detecting Blood in Soil after Six Years with Luminol
Ron Gabel, Sheri Shimamoto, Ivanie Stene, Tom Adair
In October of 2004 the authors began a study to examine the possibility of detecting blood in soil over extended periods of time. A sample grid was created on a hilltop at the Highlands Ranch Law Enforcement Training Facility located in Douglas County, Colorado (USA). The sample grid is comprised…
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Enhancement of Bloodstains on Washed Clothing Using Luminol and LCV Reagents
Thomas W. Adair, Rebecca L. Shaw
Luminol and Leucocrystal Violet (LCV) are commonly used reagents to develop latent bloodstains on evidence and at crime scenes. The application of luminol creates a blue/green color chemiluminescence from its reaction with hemoglobin. Observation and subsequent documentation of latent bloodstain reactions with luminol require near to total darkness for best…
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The Survival of Neat and Cleaned Blood after the Application of Wallpaper
Ivanie Stene, Tom Adair
We report on a study in which neat (undiluted) and cleaned bloodstains were covered with commercial wallpaper in order to test methods of discovery and recovery of said stains. Cleaned and camouflaged (covered) bloodstains pose significant challenges to the crime scene reconstructionist. Criminals may employ a variety of methods to…
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Using Luminol to Detect Blood in Soil Eight Years after Deposition
Ivanie Stene, Sheri Shimamoto, Ron Gabel, Rich Tewes, Tom Adair
In October of 2004 six testing grids were created on a hilltop at the Highlands Ranch Law Enforcement Training Facility located in Douglas County approximately eleven miles south of Denver, Colorado (USA). Each grid unit measured 24 x 24 in (61 x 61cm). The authors poured 500 ml of neat…
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