And at the top of the McCain campaign, you have people like Rick Davis and Charlie Black.

NPR: Obama's Chief VP Selector Resigns Under Criticism

And there's pressure already on the McCain team to push out people like the Charlie Black and Rick Davis because of their past lobbying connections.

NPR: Obama's Chief VP Selector Resigns Under Criticism

"We really have nothing new that I can tell you, other than the fact the search is continuing, " Rick Abben, chief deputy for the Black Hawk County Sheriff's Office, told reporters Monday.

CNN: STORY HIGHLIGHTS