Detail how DNA is used in criminal investigations today. What is the current impact of DNA testing on the criminal justice system, and how has DNA revolutionized this system? For students whose last name ends with M-Z, include one case study of how DNA has helped convict a guilty person of a crime and identify those areas you have discussed above. The body of your initial post should be at least 250 words in length. Support your claims with examples from this week’s required material(s) and/or other scholarly resources, and properly cite any references.