Obstruction of justice

This combination of file photos shows Laquan McDonald and former Chicago Police Officer Jason Van Dyke. The Chicago Police Board on Thursday, July 18, 2019, fired four police officers for allegedly covering up Dyke's 2014 fatal shooting of teenager McDonald. (Family Photo, Cook County Sheriff's Office via AP, File)

FILE - In this May 29, 2019, file photo, Special counsel Robert Mueller speaks at the Department of Justice in Washington, about the Russia investigation. House Democrats say preparations for next week's testimony by the special counsel in the Russia investigation include re-reading the report and watching old video of Mueller's testimony on other matters. (AP Photo/Carolyn Kaster, File)

FILE - In this June 26, 2019, file photo, House Judiciary Committee Chairman Jerrold Nadler, D-N.Y., takes his seat for a hearing on Capitol Hill in Washington. The House Judiciary Committee is moving to authorize subpoenas for several people tied to special counsel Robert Mueller's report, including President Donald Trump's son in law, Jared Kushner, and former Attorney General Jeff Sessions. (AP Photo/J. Scott Applewhite, File)

Former Honolulu deputy prosecutor Katherine Kealoha walks into federal court for a hearing to decide if she should be held while awaiting sentencing on conspiracy charges, Friday, June 28, 2019 in Honolulu. U.S. attorneys want Kealoha locked up now that jurors have found her guilty of conspiracy in a plot to frame a relative. Kealoha and her now-retired police chief husband Louis Kealoha were convicted Thursday. (AP Photo/Caleb Jones)

FILE - In this April 25, 2019 file photo, district court judge Shelley M. Richmond Joseph departs federal court in Boston after facing obstruction of justice charges for allegedly helping a man in the country illegally evade immigration officials as he left her Newton, Mass., courthouse after a hearing in 2018. On Wednesday, June 26, Joseph's attorney Michael Keating told Massachusetts’ highest court it was wrong to suspend the judge without pay when she has only been charged and is presumed innocent. Keating is asking the justices to reinstate Joseph’s pay and let her work on administrative tasks for the court system while the criminal case plays out. (AP Photo/Steven Senne, File)

In this Sept. 20, 2018 photo, voting booths stand ready in downtown Minneapolis for the opening of early voting in Minnesota. A majority of Americans are concerned that a foreign government might interfere in some way in the 2020 presidential election, whether by tampering with election results, stealing information or by influencing candidates or voter opinion, a new poll shows.(AP Photo/Steve Karnowski)

Iowa Gov. Kim Reynolds and President Donald Trump listen as Pennsylvania Gov. Tom Wolf speaks during a meeting with governors on "workforce freedom and mobility" in the Cabinet Room of the White House, Thursday, June 13, 2019, in Washington. (AP Photo/Evan Vucci)

President Donald Trump talks with reporters before departing on Marine One for the Air Force Academy graduation ceremony, Thursday, May 30, 2019, in Washington. (AP Photo/Evan Vucci)

Special counsel Robert Mueller speaks at the Department of Justice Wednesday, May 29, 2019, in Washington, about the Russia investigation. (AP Photo/Carolyn Kaster)

FILE - In this Wednesday, June 13, 2018 file photo, Shane Gaskill, 19, of Wichita, Kan., leaves the federal court in Wichita, Kan. Gaskill, an online gamer whose dispute over a $1.50 bet sparked a hoax call that resulted in police shooting a man who lived at his old address has struck a deal with prosecutors for an alternative to prosecution. U.S. District Judge Eric Melgren approved on Friday, May 24, 2019 the joint motion for deferred prosecution that had been filed earlier in the day by prosecutors and the attorney for 20-year-old Shane Gaskill of Wichita. (Jaime Green/The Wichita Eagle via AP, File)