Paragraph 1: Indicate 2-3 obstacles/challenges facing law enforcement agents investigating the sale and distribution of illicit drugs online (must cite both: European Monitoring Centre for Drugs and Drug Addication and Europol, 2017b; Matz & Sundaram, 2006).

Paragraph 2: Indicate 2-3 countermeasures used to detect drug trafficking (must cite Watters & Phair, 2012 and at least 1 of the 2 videos:BBC News, 2017 or Vice Asia, 2019).

Reference:

European Monitoring Centre for Drugs and Drug Addiction and Europol. (2017b). Law enforcement perspectives. In Drugs and thedarknet: Perspectives for enforcement, researchand policy (pp.51-66). https://www.europol.europa.eu/sites/default/files/documents/drugs_and_the_darknet_-_td0417834enn.pdf.

Matz, H., & Sundaram, S. (2006). Drugs in cyberspace: Understanding & investigating diversion &distribution of controlled substances via the Internet.

http://www.cicad.oas.org/reduccion_oferta/grupoexpertos/Farma_docs/Drugs_in_Cyberspace_Distribution_Controlled_Substances.pdf

Watters, P. A., and Phair, N. (2012). Detecting illicit drugs on social media using automated social media intelligence analysis. In Xiang et al. (eds.). Cyberspace Safety and Security, 4th International Symposium, CSS 2012, Melbourne, Australia, December 12-13, 2012 (pp. 66-76). Proceedings.

https://www.youtube.com/watch?v=DS2bs5GWvIY