DNA And Crime Investigation

Scientist extracts DNA to show how it’s useful to solve a crime scene. DNA is the most things to use for solving any crime. Finding DNA is pretty easy to find it can be you’re hair, blood, or even saliva. Using all that can help investigators to find who the criminal is. Scientist compares the DNA to make sure that their looking for the right person and not to make any mistakes.
Scientists extract the DNA when they use blood, saliva, and other body fluids and tissues. For example the crime investigators find a drop of blood; they collect the sample on a cotton swab. And put the swab in a tube so they can find patterns of the DNA. Finding samples are everywhere. It can be you’re hair brush, finding little things like clothes, shoes, and