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.
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Requirements for a position are up to the agency doing the hiring. The best way to know is to check their websites for open position announcements, or contact them and ask.
Yes, there are visible differences (under a microscope) between the different kinds of body hair.
Without knowing you or your relative, I really couldn't guess. Maybe they hoped you'd read the instructions first?
Lifeguard
Are most public pools just gross lakes of bodily fluids?
Border Patrol Agent
Do you ever feel sorry for the illegals you catch trying to cross the border?
Audiologist
How come people with hearing aids still can't seem to hear?
If someone is under a doctor's care and the doctor signs the death certificate, then there most likely will not be any examination at all. Autopsies are not done in every case, only under some circumstances. Any examination would be done at autopsy.
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Unlike what you see on TV, a hair and fiber expert never 'matches' hairs or fibers (except in the case of DNA analysis). We can say they are 'consistent with' having come from this person or this article of clothing in that all the microscopic characteristics are the same or within a group of the same characteristics. Though dyed hair is quite distinctive with the growth since dying and the color so it would be a strong indication that they came from the same person, you couldn't actually put a number on it (like 'there's a one in two billion chance this came from someone else', like DNA). That's largely why hair and fiber comparisons are rarely done any more.
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