Need help with a very large paper about how Walgreens or other pharmacies along with the Drug Enforcement Administration assist in surveillance in the fight against drug abuse of controlled substances. I really need help on how the DEA connects as being an agency that is health related and how they investigate over prescribing and fraudulent prescriptions. – Describe the DEA and how it contributes to the core functions of public health. – Examine specific ways the agency influences a pharmacy, as well as the health care system as a whole. – Identify the roles of the agency workers, including specific responsibilities, competencies, and skills.