Biden helped to setup a blackmailing system in the Ukraine. And got the FBI involved with it.

NABU

Nabu's symbols were the clay tablet and the stylus, the instruments held to be proper to him who inscribed the fates assigned to men by the gods.

https://nabu.gov.ua/en

The NABU logo is a combination of a geometric figure and a phrase “National anti-corruption bureau of Ukraine”. The figure is a yellow rectangular trapezoid with square corners on the right side symbolizing a ray of light.