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.
I'm sorry but I wouldn't have any idea. They didn't even have forensic science degrees when I went to school.
Gunshot residue can actually refer to two things, gunpowder that flies out of the barrel with the bullet and can land on the victim, and primer residue that can leak out of the back of the bullet cartridge and spray out onto the shooter's hand. But it can also get on the gun or nearby surfaces or people so presence of it on hands does not prove someone fired a gun, and it can wipe off easily so absence of it doesn't prove they did.
Not that I'm aware of. Are you sure they were destroyed? Or simply not located at that office?
I use it the way you use your computer without writing code. I have chemicals that I use to process for prints, but we just purchase them. There are a few reagents we mix ourselves. At the coroners office we mixed almost all ourselves. A toxicologist, on the other hand, would use it every day.
Track and Field Coach
How often are your athletes tested for PEDs and is it easy to beat?
Flight Attendant
What kinds of passengers annoy you the most?
Claims Adjuster
At it’s most basic, a trajectory is just geometry. If you can find two fixed points then you can draw a straight line between and beyond them.
If you page up to the very first question, the answer goes into this in some detail.
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