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.
If there was semen on the toilet seat and it was still wet and sticky enough to stick to skin and then be transferred to underwear, then I suppose it would be possible.
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Because human bodies are in constant flux. Cells slough off, fluids wash out other fluids, but a stain on a piece of cloth doesn't change.
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That's always a good question. Black powder or superglue will not ruin the DNA, so we can photograph the print and then swab for DNA. Usually we're swabbing areas that we wouldn't normally be able to get a print from (like textured steering wheels or rough gun grips or the edge of a plastic bottle that someone drank from) so we do one or the other.
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If bones survive the cremation process and show signs of physical trauma (such as fractures), then yes.
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Lifeguard
Did you ever have to perform CPR or mouth-to-mouth on a swimmer?
Veterinarian
Do you think keeping monkeys as pets is a bad idea?
CPR Trainer
Are you supposed to perform CPR differently on a man vs. a woman?
Possibly, depending on the time elapsed.
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DNA and fingerprints will still be the main forms of identification, but the focus on video, computers, social media and phone evidence will continue to expand. Anything that's not absolutely yes or no such as gunshot residue, fibers, maybe bitemarks will be discontinued.
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I'm sorry, I wouldn't have any idea. You'd have to ask a pathologist.
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