NOTE: The press conference will be streamed live in the player above beginning at 4:30 p.m.
Federal authorities are expected announce a major indictment Wednesday afternoon in Chicago.
The U.S. attorney's office, FBI, and IRS Criminal Investigation Division are all expected to hold a press conference at 4:30 p.m. from the Dirksen Federal Building to "announce an indictment in a public corruption investigation."
Further details on the subject of the indictment remained unclear.
The press conference will be streamed live in the player above.
Check back for more on this developing story.