study questions

the first question needs to be 2 paragraphs long with one or two resources:1) In your opinion, should the U.S. federal and state governments be  required to examine DNA evidence in all closed capital offense crimes  where the offender was convicted prior to the discovery of a process to  examine DNA?
Second question: needs to be 3-4 paragraphs with two resources, Review the following scenario: A 911 call came in at 3 a.m. from a  local nightclub. It was reported that an individual was injured and  unconscious. Upon EMS arrival, the victim was dead. You are called to  the scene to investigate. This is your first death scene. You are having  difficulty identifying the wounds on the body. Answer the following  questions:

• Explain how you can differentiate between injuries created from blunt force trauma versus sharp force injuries. 
• What injuries may exist in each case?
• If the injuries are from a sharp object, what type of wounds might you see?