discuss and explain how investigators determine the elements of drug trafficking. What type of investigation might the DEA conduct on drug cases?

Part 1
In 3 paragraphs, discuss and explain how investigators determine the elements of drug trafficking. What type of investigation might the DEA conduct on drug cases? Should the DEA get involved in local law enforcement cases?
Part 2
In 3 paragraphs, discuss the components and make up of prison gangs. What techniques might be used to investigate these types of gangs? Who should conduct these investigations and why?
Part 3
In 2 paragraphs discusses methods to refine your writing for the future. As you finish this class, what are some areas where you see improvement in your writing? As you look at your writing critically, what are some areas where you would like to see improvement?