mueller's investigators wanted information initially on several people with the xarn and charl paul manafort and paul flynn national security adviser. we are told by sources the irs initially had concerns of what they were seeing was a far-reaching broad request for information from mueller's investigators. and the case of manafort, the scope includes possible tax and financial crimes that date back to january of 2006, ten years, washington, before the russian meddling into the presidential election last fall. >> your reporting also indicates the dispute centers on the july raid of paul manafort's home in the washington suburbs. how does that factor in? >> that's exactly right, wolf. there were some tensions between the irs and special counsel behind the scenes of that fbi raid in alexander, virginia of his home. multiple sources say the irs did