.....So they said they had—they were walking out to a press conference. I said, nah, I’m not going to—or, we’re not going to give you the billion dollars. They said, you have no authority. You’re not the president. The president said—I said, call him.

(Laughter.)

I said, I’m telling you, you’re not getting the billion dollars. I said, you’re not getting the billion. I’m going to be leaving here in, I think it was about six hours. I looked at them and said: I’m leaving in six hours. If the prosecutor is not fired, you’re not getting the money. Well, son of a bitch. (Laughter.) He got fired. And they put in place someone who was solid at the time.
.....

The Prosecutor is the "Attorney General" of Ukraine. Biden BRIBED Ukraine to get him fired.

He was investigating Biden's Son.