Question

4

Answer 1

Answer:

Ос.  He used DNA testing to compare evidence to possible criminals.

Explanation:

Detective Scott worked to solve cases by the use of DNA testing which is an efficient way to solve a criminal case because DNA testing provides all information about the criminal. Due to this DNA testing, he solved many cases  and the criminal caught with the help of this testing. If he can't use this DNA testing method then the case would not be solved.