LIsa Black
Cape Coral, FL
Female, 49
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 very much doubt anything self-ignites, but I'm not an expert on explosives. But where oil is concerned I'm fairly sure you would need a spark to ignite it.
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Okay, I emailed you.
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As far as I know--and I am not a DNA expert--multiplying the frequencies of each allele tested is what gives us the astronomically high numbers of elimination of people having that same set of alleles. A SET of data points eliminates many more people than a single data point, in other words.
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Apart from the physical hardships (bad smells, having to get out of bed in the middle of the night, sometimes having to work 16-20 hour days), the worst part is what would be the worst part in any job--problem co-workers or bad management. Happily I don't have issues like that right now, but if a really horrible management staff were hired in, that might make me quit or at least look for another agency.
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Birthday Party Clown
OK seriously, how DOES the clown car thing work?
CPR Trainer
Are men better at CPR than women because they're generally stronger?
Auto Mechanic
If I know nothing about cars, how can I tell if a mechanic is ripping me off?
In general and barring other explanations, if the area around a hole caused by a bullet is gray that is caused by fouling, or vaporized lead from the bullet exiting the gun within approximately 6 inches of the hole. That would indicate that the hole is an entrance. Is the gray on the inside or the outside of the hat? I can't explain why there would not be blood on the hat (again, are we talking the inside or the outside?) unless it was literally blown off the head before the blood began to spill, but that is unlikely in the case of an exit I would think.
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I don't know too much about indented writing but I would suggest using alternative light sources like IR or UV.
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I did not know gooseflesh was a characteristic of rigor, and if I'm understanding rigor to mean rigor mortis then of course they'd already be dead before reaching that stage. But as for how likely it is that pre-mortem gooseflesh would remain after death or be affected by freezing after death, I'm afraid you'd have to ask a pathologist. I don't have the expertise to answer that.
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