Talking about DNA Criminals Justice System need to know more about it?

Question

I need to know more about this topic. I'm writing about this topic and need to know more about it just how they use DNA too find that person and how they do it like the CIA or All the detecives people in the lab. I need to know more about how they find out how they know that strand of hair or anything can detect that person is that person.

Need website

Answer 1

You can find a decent explanation here, http://science.howstuffworks.com/dna-evidence1.htm

Answer 2

sure, try emailing me

talk about privacy issues and how police get the evidence

like: is it okay to give a guy a ciggarette and then take the dna from it after without him knowing it??

is DNA evidence conclusive? or does it narrow down, or eliminate suspects?

u need the base of the hair- the white bit, not all of it or some of it

and u can get a buccal swap- the inside of the cheek for evidence

u then go to a crime scene- get semen or blood or hair or skin and compare the DNA

Answer 3

DNA can be found on any bodily fluids. it can be found in dead skin, hair, could be found on a persons clothes, ear wax has DNA in it. pretty much anything that your body has is DNA. DNA is a way to prove many criminal cases now with DNA testing.

Answer 4

I suggest you get a simple Biology text book and read it. It is a very simple concept.