LIsa Black
Cape Coral, FL
Female, 49
I spent the five happiest years of my life in a morgue. As a forensic scientist in the Cleveland coroner’s office I analyzed gunshot residue on hands and clothing, hairs, fibers, paint, glass, DNA, blood and many other forms of trace evidence, as well as crime scenes. Now I'm a certified latent print examiner and CSI for a police department in Florida. I also write a series of forensic suspense novels, turning the day job into fiction. My books have been translated into six languages.
The perpetrator could be imitating a scene from the movie “Wedding Crashers” in which they put Visine in a man’s drink to give him diarrhea and vomiting. However Google tells me that’s not what it actually does, it can cause drowsiness and can be dangerous. So the motivation depends on whether the perpetrator knew what the actual effects would be or not.
As far as detecting it, it’s apparently in the imidazole family which includes histidines, so perhaps a chemical lab could detect it or some compenents of it. That would utilize thin layer chromatography and I don’t know how many labs actually do that any more—but I truly have no idea where or how or if a lab could test for it since I don’t have much of a background in chemistry, sorry!
Hope that helps.
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I'm so sorry for your loss. They most likely drew the blood right away, and tested it three days later. As far as I know that would not affect the results--bodily fluids are usually not tested immediately since the M.E. or coroner's office sends the samples to a different location for testing. Blood for alcohol testing is collected in special gray topped tubes for that particular purpose, designed to keep the results accurate. Again, I'm sorry for your loss.
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Sure, you can email me at lisa-black@live.com.
What we use the most is a camera, and after that a tape measure (to make crime scene diagrams...99.9% these tell us nothing significant, but there could be that rare exception in terms of court testimony).
What is the most helpful to me is our fingerprint database to identify the unknown prints collected from crime scenes and evidence.
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No, you would really need a pathologist for that. Generally, exits tend to be larger than entrances, but it depends on what someone is shot with and where. If the muzzle is very close or in contact with the body, then the entrance will likely be larger than the exit. if the bullet fragments inside, then there might be a small exit. So different factors can affect it. Best of luck to you.
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I hope that helps.
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The requirements to work in a forensic capacity depend upon the agency--it might be anything from a high school diploma to a PhD for DNA analysis. The only way to know is to contact each agency and ask. Or at least check their websites, or the websites of forensic organizations such as IAI and AAFS, which post job vacancies. Drawbacks can be a lower salary than in the private sector, hours of work, having to work overtime or be on call. I don't know what you mean by 'self employ,' sorry. There are no 'freelance' type forensic positions that I know of, unless you have a specialty like soil analysis or anthropology, then you might be able to work doing consulting work when needed. But you'd have to have many years experience before that would be an option. I hope that helps! Best of luck!
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Once in a great while something will catch me when I’m not expecting it. But very rarely.
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