The USA does *not* outsource investigations to foreign nations. Rudy knows this. If an American commits "money laundering" or a politician commits "extortion"...
The way this is handled is that FBI agents in the United States are handed the case. They, in turn, reach out to legats - which are FBI legal attaches stationed all over the world for just this purpose. The legat - short for legal attache - then...
The legat in Ukraine is based in Kyiv. It is easy to contact, @RudyGiuliani.....
Given the decision to go completely outside....
There was no desire for an *investigation.* Just help with a political campaign...