Ukraine's NABU and DBR close cases based on Derkach's records of Biden and Poroshenko talks (2021)
https://ukranews-com.translate.goog/ua/news/815106-nabu-ta-dbr-zakryly-spravy-za-zapysamy-derkacha-pro-rozmovy-bajdena-ta-poroshenka?_x_tr_sl=uk&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp
NABU-National Anti-Corruption Bureau is headed by Artem Sytnyk
https://nabu.gov.ua/en/kerivnyctvo
Courts have found Artem Sytnyk is corrupt, yet he retains his position as head of NABU
[Soz for wikipedia link…only place all the info is collected that anon could find]
https://en.wikipedia.org/wiki/Artem_Sytnyk
Anon includes Andrii Derkach's investigation website "NABU Leaks"
"NEW FACTS OF INTERNATIONAL CORRUPTION AND EXTERNAL GOVERNANCE OF UKRAINE"
https://nabu-leaks.org/new-facts-of-international-corruption-and-external-governance-of-ukraine/