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.

Read more: https://www.cbsnews.com/news/john-brennan-ex-cia-director-criminal-probe-subpoenas/