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.
Usually simple black powder will show gloveprints as well as fingerprints. The bubbly sort of pattern they make will be visible.
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Any agency can use whatever requirements they want, so some (like mine) require only a high school diploma (but give extra points for advanced degrees, so we all have degrees). Some might require a Bachelor’s in any subject but give more points for forensic training—or not. The only way to know is check their job postings. Best of luck!
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Why do you post questions that need to be deleted? Most people have better things to do.
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That's an excellent question that unfortunately I can't answer. One probably would use it, but back when I did hairs and fibers it was generally thought that the only way was to extract the dye and do thin-layer chromatography, which we didn't have. We also didn't have a Ramen, so all I could do was microscopic comparison.
Best of luck!
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Bracketologist
Why have there been so many 15-2 upsets, but no 16-1's?
Navy Officer (Former)
Just how educated is the typical US military serviceman?
Starbucks Barista
What's the craziest behind-the-scenes Starbucks story you have?
Because that's not our job. That's the detective's job. They're in charge of and responsible for the investigation.
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That’s a good question that I’m afraid I can’t answer. I’m sure there is some way to determine the chemicals used in pepper spray. But this would be affected by a) how long does it remain on the skin before the skin absorbs it and b) most forensic chemistry labs are set up to detect illegal drugs in urine, blood or gastric contents. Identifying any kind of poison or other substance may require equipment or reference databases they don’t have.
Proving it’s the same batch of pepper spray may or may not be possible. I”m not personally involved in this kind of testing, but I can assure you it is not like television. We had a series of cases and wanted to determine the exact composition of drugs with percentages of fentanyl, heroin etc. Turned out while nearly every crime lab can determine if a drug is present, there were only one or two labs in the entire country we could find that could determine percentages, and they charged an arm and a leg.
Sorry I can’t be more help.
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I have no idea as I’ve never worked as a first responder. I would suspect that’s largely a plot device for film or books, but I don’t actually know.
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