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 work 4 10 hour days, but previously I've worked 8-5 Mon-Fri and on rotating 12 hour shifts from 6 am to 6 pm. It all depends on what's needed. I love investigation but didn't want to be a cop. A typical day depends entirely on where you work and what you do. If you do only crime scenes, you might have to go out to a car accident, a suicide and an industrial accident. If you're a DNA analyst, you'll spend all day in the lab with test tubes. If you're a fingerprint examiner like me, you might spend 8 hours in front of a computer looking at fingerprints. At a smaller department like mine you might do all three things in one day. Or any of the above might spend all day sitting at the courthouse waiting to testify. So there really is no such thing as a typical day.
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.
On the shooter's hands, not very long. When we did GSR testing we would not do it if more than 4 hours had elapsed since the shooting. On clothing, it could depend on the type of material and how far away the item was--if it's a smooth fabric it would probably brush right off, but a more fuzzy type of thick material might get some particles stuck in it.
That was talking about primer residue. Gunpowder residue is bigger, heavier, and hot so it can fuse to some fibers or get 'stuck' to the item by the victim's blood.
1) The camera.2) Fingerprint science. 3) DNA analysis.
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Yes, if you could find a microscopic hair analyst with a library of dog breed hairs, they could narrow the breed down. And if you got a DNA sample from the actual dog then DNA analysis could tie it to that specific dog.
I have never heard of that.
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