Bibliography (6):

1. https://www.dhs.gov/science-and-technology

2. https://apps.dtic.mil/sti/pdfs/AD1100866.pdf

3. https://www.impactcybertrust.org/

4. https://weis2021.econinfosec.org/

5. Wikipedia Bibliography:

   1. Carnegie Mellon University

   2. Darknet market