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How To Get Away With Murder: The Effectiveness Of Blood Detectors On Surfaces Cleaned Of Blood, Grace Cavanaugh
How To Get Away With Murder: The Effectiveness Of Blood Detectors On Surfaces Cleaned Of Blood, Grace Cavanaugh
Undergraduate Theses and Capstone Projects
The purpose of this experiment was to test blood detectors against household cleaners. Similar experiments have been run before, but not on the selected surfaces. It is important to understand what one is looking for at a crime scene, and what a cleaned surface may look like. Four surfaces were chosen for this experiment: ceramic tile as a control, concrete, laminated wood flooring, and drywall. For each surface, 0.5mL of pig’s blood was allowed to dry before being cleaned off with either Clorox bleach, Dawn soap and hot water, a Mr. Clean Magic Eraser, or Mrs. Meyer’s Multi-Purpose Concentrate. Bluestar …