U.S. Attorney John Lausch appears on “Chicago Tonight” on Dec. 8, 2022. (WTTW News)

During his time as U.S. Attorney, Lausch oversaw numerous high-profile investigations in Chicago, among them, the indictments of former Illinois House Speaker Michael Madigan on racketeering and bribery charges and longtime Chicago Ald. Ed. Burke.

U.S. Attorney John Lausch appears on “Chicago Tonight” on Dec. 8, 2022. (WTTW News)

John Lausch, who has served as U.S. attorney in the Northern District of Illinois since 2017, is planning to leave the office in “early 2023,” U.S. Attorney General Merrick Garland announced during an unrelated press conference Thursday.

U.S. Attorney John Lausch appears on “Chicago Tonight” on Dec. 8, 2022. (WTTW News)

John Lausch, who has served as U.S. attorney in the Northern District of Illinois since 2017, is planning to leave the office in “early 2023,” U.S. Attorney General Merrick Garland announced during an unrelated press conference Thursday.

U.S. Attorney John Lausch appears on “Chicago Tonight” on Dec. 8, 2022. (WTTW News)

U.S. Attorney for the Northern District of Illinois John Lausch on the high-profile cases his office is currently working through. 

A file photo shows a crime scene blocked off by the Chicago Police Department. (WTTW News)

Donald Lee, 40, and 30-year-old Torance Benson were each found guilty Tuesday following a two-month trial in Chicago’s federal court building after prosecutors said they each participated in a criminal organization that murdered rivals and violently protected a drug-dealing operation on the city’s West Side.

(WTTW News)
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U.S. Attorney John Lausch’s office on Friday announced AT&T Illinois entered into a deferred prosecution agreement after prosecutors filed a one-count criminal information charging the company with using an interstate facility to promote legislative misconduct.

Dirksen United States Courthouse (Ken Lund / Flickr)

Judge Robert Dow will be stepping down from his role before the end of the year to take on a new position with the Supreme Court in Washington D.C.

(WTTW News)

The U.S. Attorney’s Office for the Northern District of Illinois filed a civil suit against the Cubs, alleging the team discriminated against people with disabilities in renovating Wrigley Field under its extensive reconstruction endeavor known as “the 1060 Project.”

A file photo shows a crime scene blocked off by the Chicago Police Department. (WTTW News)

Ten reputed members of the Four Corner Hustlers street gang have been arrested and charged with conspiring to sell heroin and cocaine at open-air drug markets on Chicago’s West Side following a massive undercover investigation.

Former Chicago police Officer Jason Van Dyke enters the courtroom for his sentencing hearing at the Leighton Criminal Court Building on Friday, Jan. 18, 2019. (Antonio Perez / Chicago Tribune / Pool)

The decision from U.S. Attorney John Lausch comes two months after Van Dyke was released from custody after serving about half of his 81-month sentence handed down by a Cook County judge in 2018.

(WTTW News)

“Many of these guns have been linked to shootings in the Chicago area in which multiple people have been injured and several killed,” U.S. Attorney General Merrick Garland said Friday.

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Former Illinois House Speaker Michael Madigan pleaded not guilty Wednesday to 22 counts alleging that he orchestrated a criminal enterprise for a decade while serving as Illinois’ most powerful politician.

Illinois House Speaker Michael Madigan pictured in a file photo. (WTTW News)
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Michael Madigan, who served as speaker of the Illinois House for 36 years, led a criminal enterprise disguised as a political organization that was devoted to enriching himself and his associates, prosecutors alleged Wednesday.

A file photo shows a crime scene blocked off by the Chicago Police Department. (WTTW News)

In 2014, Chicago saw homicides hit a historic low at 426. The city has exceeded that number every year since and is on pace to again this calendar year by more than 80%, according to U.S. Attorney for the Northern District of Illinois John Lausch.

(Ashlee Rezin Garcia / Chicago Sun-Times via AP)

The Department of Justice has charged 13 members of a Chicago street gang faction with racketeering conspiracy as part of a federal indictment related to dozens of murders, attempted murders and acts of violence spanning more than 20 years.

Political corruption. Gun violence. Financial crimes. Homegrown terrorism. These are just a selection of the cases brought in the last four years by John Lausch, U.S. Attorney for the Northern District of Illinois.