During and after the 2016 presidential election, the FBI obtained several surveillance warrants against Carter Page, an official on the Trump campaign. As substantiation for these surveillance warrants, the FBI used a document produced by Christopher Steele with financing from the Hillary Clinton campaign and the Democratic National Committee. The premises of this document, known as the "Steele dossier," have been disproven by the media and the investigative services. I.G. Michael Horowitz Inspector General Michael Horowitz, who investigated the FBI's conduct in the surveillance matter, found significant cause for concern. He observed "at least 17 significant errors or omissions in the Carter Page FISA applications and many errors in the Woods Procedures" that regulate the FISA process, according to the Washington Examiner . On Tuesday, the court that approved the Page surveillance warrants -- the Foreign Intelligence Surveillance Court -- pointedly ch