WASHINGTON (AP) — Federal authorities investigating Rudy Giuliani are seeking information related to a former U.S. ambassador to Ukraine who was ousted from her job two years ago on orders of then-President Donald Trump. Robert Costello, a lawyer for Trump, confirmed via text message that a search warrant served this week on Giuliani made reference to Marie Yovanovitch. She was a central player in the first impeachment case against Trump and detailed a smear campaign by Giuliani and other Trump allies that preceded her 2019 removal from the job. Giulaini has denied wrongdoing.