Investigators looking into the kidnapping and murder of DEA special agent Enrique Camarena and DEA source Alfredo Zavala faced several hurdles that threatened to derail their efforts to collect evidence in the case. These hurdles almost prevented forensics experts from determining the facts of the case and threatened to undermine the investigation of the crime. However, despite these obstacles, use of standard forensic techniques eventually enabled investigators to solve the case. • Read the case study in your textbook pp. 53-57 and answer the following questions regarding the investigation. Submit your answers through this assignment's submission link. Be sure to provide support for you answers and to use complete sentences. This week's rubric will be based on number of correct answers. This assignment will be checked for plagiarism so make sure you answer in your own words! 1. 1. What were the main challenges facing investigators who were collecting evidence in this case? Give specific examples of these challenges. 1. 2. Explain how investigators used reference samples to determine that the victims had been held at the residence located at 881 Lope De Vega. 1. 3. Explain how investigators used reference samples to determine that the victims' bodies had been buried and later moved to the site where they were discovered. Also explain how they used such evidence to determine the original burial place.