One introduction paragraph to a final paper

Hi i need you to write me an introduction paragraph of the importance of scientific methods usage in criminal justice system. I know it’s wide but please try your best. If you are willing to answer this question I will need you again for the final paper soon after i get the introduction paragraph graded and reviewed.

The book i need you to use is :

Maxfield, M.G. & Babbie, E.R. (2017). Research Methods for Criminal Justice and Criminology (8th Ed.). Boston, MA: Cengage.