
https://insightcrime.org/news/digital-gold-rush-how-bitcoin-helps-organized-crime/

https://www.icij.org/investigations/fincen-files/global-banks-defy-u-s-crackdowns-by-serving-oligarchs-criminals-and-terrorists/

https://www.brookings.edu/wp-content/uploads/2022/03/Illicit-purchases-of-US-property.pdf