by Maya Shimizu Harris, WyoFile Interim U.S. Attorney for Wyoming Darin Smith handed out business cards to grand jurors and invited them to contact him, the U.S. Attorney’s Office disclosed in new court filings after several defendants accused Smith of polluting the grand jury. Smith also asked for a list of grand jurors and described the concerned cases as “slam dunks,” according to the documents. Last month, federal public defenders asked jud…