Deoxyribonucleic acid (DNA) testing is a useful and well-accepted tool that help

Deoxyribonucleic acid (DNA) testing is a useful and well-accepted tool that helps in trials.
For more information, watch the following video: Role of DNA in Criminal Investigations.
For this assignment, address the following:
What are the purposes of DNA testing for a criminal trialHow is DNA testing done?
What substances can DNA be obtained from?
How accurate is DNA testing?Discuss how the best evidence rule can come into play when dealing with DNA evidence.
How is DNA used in a trial as evidence?In cases of sexual assault?
In murder cases?
To exonerate individuals?
Today, DNA testing is very expensive, so it is not used in all cases.Do you think DNA testing should be available in all cases?
Do you think all citizens should be compelled to list their DNA with their state?Would this be a violation of privacy or a way to reduce crime