Witnesses in criminal probe of ex-CIA Director Brennan subpoenaed, sources say

Politics Cooperating witnesses in criminal probe of ex-CIA Director Brennan subpoenaed to testify before grand jury, sources say By Daniel Klaidman, Daniel Klaidman Daniel Klaidman, an investigative reporter based in New York, is the former editor-in-chief of Yahoo News and former managing editor of Newsweek. He has over two decades of experience covering politics, foreign affairs, national security and law. Read Full Bio Daniel Klaidman, Sarah N. Lynch Sarah N. Lynch Senior Justice Department Reporter Sarah N. Lynch is the senior Justice Department reporter for CBS News, based in Washington, D.C. Read Full Bio Sarah N. Lynch April 20, 2026 / 10:42 AM EDT / CBS News Add CBS News on Google Former senior intelligence and FBI officials who are cooperating with the U.S. Justice Department's criminal probe into whether former CIA Director John Brennan lied to Congress were subpoenaed over the weekend to testify before a grand jury in Washington, D.C., multiple sources familiar with the matter told CBS News.The subpoenas went out shortly after the Justice Department appointed conservative Trump ally Joe DiGenova to formally take over the criminal investigation into Brennan after the career prosecutor handling the case was removed late last week, CBS previously reported.DiGenova is a staunch loyalist of President Trump who previously represented his campaign in its failed efforts to overturn the results of the 2020 presidential election. The cooperating witnesses are scheduled to appear before the grand jury as soon as this week, sources said. Many of them have been cooperating with the probe and were already scheduled to sit down for interviews with FBI agents and prosecutors before the new grand jury subpoenas came out over the weekend.The decision to abruptly reschedule the voluntary interviews from cooperators and ask for in-person grand jury testimony is unusual, legal experts told CBS.  Customarily such interviews are conducted outside of the grand jury, an...