https://verfassungsblog.de/dark-money-subverts-the-rule-of-law/
https://www.bundesverfassungsgericht.de/SharedDocs/Pressemitteilungen/DE/2020/bvg20-032.html
https://www.taxjustice.net/wp-content/uploads/2020/11/The_State_of_Tax_Justice_2020_ENGLISH.pdf
https://www.theguardian.com/uk-news/2022/nov/23/revealed-tory-peer-michelle-mone-secretly-received-29m-from-vip-lane-ppe-firm?amp;s=08