Forensic Scientist

Forensic Scientist

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.

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Last Answer on July 21, 2022

Best Rated

Thank you so much for responding so fast. I really appreciate it. I have only a few more questions.

Are there any shows that you watch that are more accurate and show what forensic scientist really do?

Asked by Renee almost 12 years ago

I don't really watch any except the ones on the ID channel, and those are mostly about the investigation. But when they do mention forensic evidence, they're accurate.

Have you ever gotten emotionally attached to a case?

Asked by Jordan Hall almost 11 years ago

No. There are cases and victims that I feel sorrier for than others, but nothing reaching the level that I would call emotionally involved. Everything is over by the time I get there, and then I don't usually see the victims or other parties again so there isn't an opportunity to bond.

how can you identify from a random dna sample that the sample belongs to a human being, not an animal? lets say that you find a DNA sample and now you have to identify that this dna sample is of a human or an animal or cannot be classified at all

Asked by Rabi over 11 years ago

I actually don't know how a DNA analyst tells human from animal DNA, but I don't think it's very difficult. We have an easy field test called Hexagon OBTI that can tell animal from human blood in a matter of minutes.

Say that there was a crime scene with trama to the head and bleeding from the head and specialist forgot to take the temperature of that body, what is another way to determine the time of death?

Asked by bryce over 11 years ago

Time of death is not determined as precisely as it is on television, I know, and they often use a number of factors to make an estimate such as when the person was seen last, mail piling up at the door, rigor mortis, lividity, etc. But honestly a pathologist could answer that question much more accurately than I could. They are the ones that determine TOD.

Does the pericardium fill with blood upon expiration or after expiration, or at all after death

Asked by g.hill almost 11 years ago

I'm sorry but I would have no idea. You'd have to ask a pathologist.

Is it possible to get someone else's DNA on underwear from a toilet seat... As in touching bowl when sitting?

Asked by Momma almost 11 years ago

If there was semen on the toilet seat and it was still wet and sticky enough to stick to skin and then be transferred to underwear, then I suppose it would be possible.

I have read information regarding chemical enhancement techniques to view fingerprints in blood, however this got me thinking, does the use of fingerprint enhacement techniques such as powders suspension harm the confirmatory test for blood

Asked by Emily almost 12 years ago

No. Almost all blood enhancement reagents will not destroy the blood for DNA testing. I don't think it would affect confirmatory tests either, but If we wanted to do a confirmatory test for blood such as phenolphthalein we would probably just do it on a spot where the marks were smeared or otherwise not useful as fingerprints.