Research Methods in criminal Justice and crime scene investigation topicsAnswer each topic with 250 word minimum, there are 3 topics total.Topic 1: Domestic Violence StudyYou have been hired to do a services satisfaction survey for the 10 shelters for battered women in your city. A total of 15,000 women received services in the past year and you do not have funding that will allow you to survey everyone.Discuss how you would create a sample by using either a probability sampling strategy or a nonprobability sampling strategy. And depending on the strategy, which sampling technique would you recommend from one of the following two groups:Probability sampling technique: simple random sample, systematic sample, stratified sample or multi-staged, cluster sampleORNon-probability sampling technique: quota sampling, convenience, purposive, or snowballWhich sampling strategy would you use?Which sampling technique would you use?What is the strength of using this technique for selecting this sample of all women who received services from the shelter?Are there any weaknesses in your plan for selecting this sample of all women who received services from the shelter?Topic 2: Shoeprint EvidenceYou arrive on the crime scene and you observe a shoe impression in the mud. Describe the process to recover that shoe print evidence.Topic 3: Bite MarksHow would you process the scene in which a victim had bite marks on his/her body? Discuss the methods that you would use.