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.
Again that depends entirely upon the circumstances. If someone is shot from a distance, then the clothes aren't going to tell you anything. If someone gets close enough to leave their own blood or their hair on the clothing, then they might.
Yes, absolutely. Most people will have a mix of patterns on their fingers.
I don't know what you mean by that--DNA is DNA. Samples being switched is one situation, and contaminated is another. Obviously the situation would have to be remedied and the samples re-analyzed. Questions will probably be a combination of general interview questions such as 'what are your strengths' and questions about your specific training and experience in forensic topics. Good luck!
Sorry I didn't answer this before, I'm on the road. I've seen glove prints occasionally--a remarkable number of burglars don't bother to use them. But I've never compared the prints to a particular glove because by definition gloves are mass produced and therefore not unique like fingerprints. I've seen ones from cloth gloves, which will leave the knit pattern behind, or latex gloves which will sort of look like a group of random bubbles crammed together.
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Examination of the heart would be done at the autopsy by a pathologist, and since I'm not a pathologist I'm afraid I cannot address your first question.
I'm afraid those questions are much to broad for me to summarize here. See if your library has copies of Richard Saferstein's Forensic Science Handbooks or his smaller volumes on forensics.
From an object? Sure, if you clean the surface thoroughly.
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