Crime Scene Investigation and research methods topicsAnswer each topic with 250 word minimumCrime Scene InvestigationTopic 1: Bomb ScenesBomb scenes are sometimes very large crime scenes. Locate a news article, summarize it, and post it. Please make sure that you dont use the same article that another classmate has used.Topic 2: Drug EvidenceChoose a drug and describe the procedures used to collect and preserve drug evidence. Try to come up with a unique drug that your classmates havent usedResearch Methods in Criminal JusticeTopic 3: Ethical Issues Related to SurveysUnit 6 discussed the sampling plan in order to do a survey of women who received services from any of the 10 shelters in your city. Consider the ethical issues related to asking questions of such a vulnerable group of women.What are the potential ethical issues for a survey of women who received services from any of the 10 shelters in your city? How will you ensure that your survey effectively addresses these ethical issues?