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

An author recently solved the question, 'Did Van Gogh cut off his entire ear, or just the lobe(?).' She found his physician's drawing and it shows the entire ear cut off. Can someone really do that? More likely sliced off by Gaughan's fencing sword?

Asked by PT O'Neil almost 6 years ago

As far as I know it’s certainly possible to cut the entire ear off, but I would guess it would be difficult to do accidentally or in the heat of battle without causing other injuries to the face. But that’s entirely a guess on my part. I don’t know more than the basics about either Van Gogh or Gaughan or the incident. Sorry I can’t be more help!

How much school is need to become a forensic scientist, as well as what classes do you need to take?

Asked by Denisse Parada almost 6 years ago

The job requirements are whatever the hiring agency says they are, so it could be anything from a high school diploma to a PhD in genetics. The only way to know is to call the department or check their website for job vacancies.

Do you help with Forensic Homework?

Asked by Al about 6 years ago

I think that's what I'm doing most of the time when I answer questions on this site. If you look over the previous Q&As you'll probably see a lot of homework questions.

Recently, one of my daughter's friends was dosed with Visine eye drops presumed to be in her drink. Malicious activity? A date rape attempt? Is there a way to test for Visine in a drink, or in food?

Asked by Bill about 6 years ago

The perpetrator could be imitating a scene from the movie “Wedding Crashers” in which they put Visine in a man’s drink to give him diarrhea and vomiting. However Google tells me that’s not what it actually does, it can cause drowsiness and can be dangerous. So the motivation depends on whether the perpetrator knew what the actual effects would be or not.

As far as detecting it, it’s apparently in the imidazole family which includes histidines, so perhaps a chemical lab could detect it or some compenents of it. That would utilize thin layer chromatography and I don’t know how many labs actually do that any more—but I truly have no idea where or how or if a lab could test for it since I don’t have much of a background in chemistry, sorry!

Hope that helps.

What are the physical and chemical properties of blood, hair, footprints?

Asked by Abby about 6 years ago

That's an awfully broad question. What do you think are the physical and chemical properties? Blood has hemoglobin. Hair grows out of your head. Footprints are impressions in the dirt. I'm pretty sure you could write a good answer to this question yourself.

How can I start a path towards becoming a forensic scientist? I am especially interested in DNA and toxicology.

Asked by Ryota almost 5 years ago

I would major in biochemistry for either, and/or genetics for DNA. Best of luck!!

Thanks for your answer! I have 2 more q's. 1) Is it possible for me to contact you more privately e.g. email, where I can ask more questions in detail? If not, 2) in your opinion, what piece of forensic technology/method helps you the most as a CSI?

Asked by Kate Flynn over 5 years ago

Sure, you can email me at lisa-black@live.com.

What we use the most is a camera, and after that a tape measure (to make crime scene diagrams...99.9% these tell us nothing significant, but there could be that rare exception in terms of court testimony).

What is the most helpful to me is our fingerprint database to identify the unknown prints collected from crime scenes and evidence.