Answer: DNA in case of crime can be used as a source of evidence and using DNA as a evidence has both benefits and drawbacks.
Benefits:
Some of the benefits of relying on the DNA as a source of evidence is that there is a high level of accuracy and precision when it comes to DNA because no two DNA sample can be same to add confusion.
The evidence is so strong that the justice will trust on the evidence and will not demand for any other source of evidence.
The criminal records present helps in finding the criminal using the sample.
Drawbacks:
The main drawback is cost. This process is very costly and is not efficient for the low profile case.
The sample gets denatured easily so it has to be maintained in a healthy condition.
The process takes sometime to amplify the DNA and match with the criminal in order to show it in the court.