Ask a Forensic Scientist anything

989 Questions

Last Answer on July 21, 2022

If the bar code if worn off of a computer and you are trying to figure out what the bar codes numbers were. How can you get the numbers? Cause where the bar code was before it was torn off. It left a lil bit of the code is visible.

Asked by Laray kirker almost 9 years ago

I would try an alternate light source, UV or IR light or even white light with colored filters. That might make it more visible. Other than that, I don't know, sorry. You'd have to ask a document examiner, they might have more techniques for working with paper.

759 Votes

How long does it take to really get a fingerprint match if using all available databases?

Asked by Seeker about 9 years ago

That depends entirely on your digital situation. How big is the database (how many fingerprints does it have to search through), are you searching both fingers and palms, how many servers or whatever can you devote to the task, and have the search parameters been narrowed down, say to only right hand fingers or only the left index. All those factors will affect it so that a search could take anywhere from a few seconds to a day .

758 Votes

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Would you be able to tell the difference between hair that was taken from a victim's brush (and planted at a crime scene) and hair that just naturally malted? For example, would hair from a hairbrush have more of a root than a malted hair??

Asked by Caroline about 8 years ago

I don't know what malted means, but I suspect the answer is no. Just brushing hair can pull it out just as in a struggle.

758 Votes

Can you test for how long dna evidence is present. Like if I cut myself on accident three days ago could you time stamp that without me telling you how long ago the accident happened.

Asked by PF over 8 years ago

No. There is no time stamp on DNA, so far as I know.

755 Votes

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Pressure points on a car, Chevy Cavalier, between a 1198-2002 year model, I would like to know the metal density of the fender, when struck by a child less than 80lbs and less than 4ft tall, car traveling at a 50mph.Head lights density test, how much

Asked by Brandy Daugherty about 9 years ago

I'm sorry but I am not trained in accident reconstruction. That is a very specialized field. I would have no idea whatsoever.

754 Votes

How long would it take for a deceased body to drop below 32 degrees centigrade if they were in good health previously and the ambient temp was 17 degrees centigrade. Would the body be cold and blue to touch inside 2 hours?

Asked by Iain over 8 years ago

I'm sorry but I have no idea. That's a question for a pathologist. Sorry I couldn't help!

752 Votes

can you tell the age of pharmaceuticals - specifically Ritalin/methylphenidate - like how many years ago it was made?

Asked by rogernono over 8 years ago

I'm sorry, I wouldn't have any idea. Do you mean dating the actual pills, or once they're in a person's system? If the former I think you'd have to ask a chemist, if the latter, a toxicologist. Sorry I can't help.

752 Votes

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Forensic Scientist

Ask me anything!

What do YOU do?

If the bar code if worn off of a computer and you are trying to figure out what the bar codes numbers were. How can you get the numbers? Cause where the bar code was before it was torn off. It left a lil bit of the code is visible.

How long does it take to really get a fingerprint match if using all available databases?

So you wanna be a Forensic Scientist?

Would you be able to tell the difference between hair that was taken from a victim's brush (and planted at a crime scene) and hair that just naturally malted? For example, would hair from a hairbrush have more of a root than a malted hair??

Can you test for how long dna evidence is present. Like if I cut myself on accident three days ago could you time stamp that without me telling you how long ago the accident happened.

Also on Jobstr...

Pressure points on a car, Chevy Cavalier, between a 1198-2002 year model, I would like to know the metal density of the fender, when struck by a child less than 80lbs and less than 4ft tall, car traveling at a 50mph.Head lights density test, how much

How long would it take for a deceased body to drop below 32 degrees centigrade if they were in good health previously and the ambient temp was 17 degrees centigrade. Would the body be cold and blue to touch inside 2 hours?

can you tell the age of pharmaceuticals - specifically Ritalin/methylphenidate - like how many years ago it was made?

Forensic Scientist

Ask me anything!

What do YOU do?

If the bar code if worn off of a computer and you are trying to figure out what the bar codes numbers were. How can you get the numbers? Cause where the bar code was before it was torn off. It left a lil bit of the code is visible.

How long does it take to really get a fingerprint match if using all available databases?

So you wanna be a Forensic Scientist?

Would you be able to tell the difference between hair that was taken from a victim's brush (and planted at a crime scene) and hair that just naturally malted? For example, would hair from a hairbrush have more of a root than a malted hair??

Can you test for how long dna evidence is present. Like if I cut myself on accident three days ago could you time stamp that without me telling you how long ago the accident happened.

Also on Jobstr...

Pressure points on a car, Chevy Cavalier, between a 1198-2002 year model, I would like to know the metal density of the fender, when struck by a child less than 80lbs and less than 4ft tall, car traveling at a 50mph.Head lights density test, how much

How long would it take for a deceased body to drop below 32 degrees centigrade if they were in good health previously and the ambient temp was 17 degrees centigrade. Would the body be cold and blue to touch inside 2 hours?

can you tell the age of pharmaceuticals - specifically Ritalin/methylphenidate - like how many years ago it was made?

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