they hired Hunter... they knew Robinette would use his office as VP to help them if Hunter was their employee.
https://www.foxnews.com/politics/grassley-burisma-executive-who-allegedly-paid-biden-has-audio-recordings-of-conversations-with-joe-hunter
Biden was allegedly paid $5M by a high-level Burisma executive as part of a bribery scheme
The confidential source said the Burisma executive told him he "paid" the Bidens in such a manner "through so many different bank accounts" that investigators would not be able to "unravel this for at least 10 years."
https://nypost.com/2023/06/12/burisma-boss-in-alleged-biden-bribe-scheme-claims-to-have-15-taped-conversations-with-hunter-2-with-joe-grassley/