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.
That’s a good question…I know that the human body will either decompose or desiccate, so if the conditions were right and she dried out instead of breaking down, then the body might be largely preserved. But what could be determined from an autopsy would be a question for a pathologist, I’m afraid. Sorry I’m not more help.
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I”m sorry but I”ve never used thin layer chromatography. If I had, it most likely would have been to distinguish extracted fiber dyes. As far as I know it’s the only way to determine if natural fibers likely had the same source.
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They didn’t have forensics degrees when I went to school, so learned all the forensic tasks were on the job or continuing education courses. But the science background helps with understanding lab procedures, preparing reagents, and of course explaining what’s going on during the various processes.
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Quite the contrary, I find myself apologizing to them if I bump into their gurney. They’re dead. How could I not feel sorry for them?Both my department and the various forensic organizations of which I am a member have published codes of ethics to which I have always adhered.
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That depends entirely on the circumstances. If a sample of anything--blood, saliva, semen--is properly dried and kept in relatively dry conditions at a steady low temperature, or even frozen, it can last for decades. If the temperature and humidity vary greatly, then the sample could break down. If it's stored in plastic or airtight when wet it could rot and decompose.
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I am an expert in some areas of forensic science. I am not an expert in law, public safety policy or our political system.
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It depends on what you want to do. I've always used only basic addition, division etc., for calculating reagents. Accident reconstruction would probably require a bit more and maybe DNA analysis, but I don't really know. Best of luck!
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