Explain the role of a judge as a “gatekeeper” in a criminal trial.

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Discuss in-depth. No shallow response or fluff writing allowed. Each essay response is to be a minimum of 3 to 4 fully developed paragraphs. Rewriting the essay question is not considered a part of your response. Direct quotes are not to be used in test answers. Answers are to be consistent with the college level writing. The essays shall be written in APA format and include in text citations to credit your sources. Use recent resources within 5 -10 years, if possible. Be sure to include scholarly references noted in proper APA format as well as in text citations to credit these sources. Direct quotes are not to be used in test answers. Avoid web-based, news and internet resources or pages as references. Use 2 scholarly APA references per answer at a minimum. Question 1 of 5 What is the proper procedure for the collection, preservation, and storage of digital evidence? What are the legal challenges? Question 2 of 5 What are the legal challenges in reference to DNA evidence? Question 3 of 5 Explain the role of a judge as a “gatekeeper” in a criminal trial. Question 4 of 5 What are the three standards used by the courts when deciding to accept expert witness testimony. Question 5 of 5 Explain validity and authenticity as applicable to introducing evidence in a criminal trial