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.
It all depends on the circumstances of the death (fire victims can have a smoke smell, of course) but mostly the degree of decomposition. That's the only thing that makes a difference, otherwise everyone is the same.
Almost certainly, no. Unlike television, real forensic equipment is designed to test for certain things. For example the mass spectrometer in the toxicology department is set to test for illegal narcotics and not heavy metals such as arsenic. If arsenic is suspected, it could be detected with a different instrument or different parameters programmed into the same instrument. So I doubt there is any equipment that could be set up to detect microscopic amounts of photographic chemicals, if a photo would even shed any.
In my personal experience, I have only testified to bloodstain pattern analysis once, and it didn’t really tell anything significant about the case because there was blood everywhere, and the fingerprints in blood weighed more than the patterns.
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Private Detective
Sorry, I think that's something I used to know years ago but have since forgotten. I know the DNA can be cut, maybe by enzymes? into the sections of short tandem repeats. But I haven't done DNA analysis in 20 years, so my skills are not up to date. Sorry I couldn't help!
Sorry, I wouldn't know anything more about it than anyone else. Try Google. Or watch the excellent miniseries, "American Crime Story: The Run For His Life." It was great.
I don’t know that game.
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