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.
No. A .357 can shoot .38 bullets (not vice versa, or the gun will blow up) but 9mm can't shoot 38 bullets because they're shaped a little differently. It's confusing because what we call .38 caliber are actually .357, and 9mm is actually .380--in size, but a 9mm gun cannot shoot .380 bullets. You would have to read the forensic report carefully and maybe ask for clarification. I've never worked in ballistics, so perhaps there's a chance that the report is saying that the projectile had a .380 diameter, not that it was a .380 bullet, in which case it could have come from a 9mm gun?
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There are numerous techniques for obtaining fingerprints from surfaces--black powders, colored powders, alternate light, superglue, dye staining. Once you can visualize the print, comparing one to another is done by noting all the information (where ridges end, divide, form a dot, have a scar, etc.) in one pattern and comparing it to another print's pattern. This can be done by a computer so that thousands to millions of prints can be searched quickly, all day, every day, all over the world, but is always confirmed by human beings. Despite what you see on TV!
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I'm sorry, I"m sure I answered this question months ago, I don' t know why it didn't post. The answer is there's no way to guess, a doctor would have to look at it. If there's no tissue, DNA might possibly be obtained from bones or teeth.
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I'm afraid I'll need some more details than that.
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School Bus Driver
If your bus is in an accident that was ruled your fault, would you lose your job?
Subway Store Manager
The 6" sub is too small and the 12" is too big. Why no 9-inch sub?
iPhone & iPad Technician
Is Apple is still the young and hip brand or have mom and dad spoiled it?
I'm very interested now in phone number 'spoofing' that the telephone scammers use to call us, but the technology is a little beyond my ken. Actually a lot beyond my ken. I have a co-worker who could explain it but we never have time.
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It depends on the crime, but in general I guess you look for how the perpetrator got in, how they got out, and what they disturbed while they were there. Then I look for what we could get information from (such as surfaces that they had to touch that are smooth and glossy and might have prints, whether they left blood or bodily fluids behind that could be tested, whether they wrote something or used something that could point to their identity, etc.).
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See above answer.
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