Bryan Schroder is an American attorney who is the Acting United States Attorney for the United States District Court for the District of Alaska.
 He is President Donald Trump's nominee to become the U.S. Attorney for the District of Alaska.
 Schroder has worked at the U.S. Attorney's Office in the District of Alaska since 2005.
 Before becoming the Acting U.S. Attorney, he was the first assistant U.S. attorney, chief of the criminal division, anti-terrorism prosecutor, and district ethics adviser.
 He has prosecuted cases involving violent crimes, drug distribution, gun crimes, fraud, tax evasion, environmental crimes, and fisheries and wildlife offenses.
The New York County District Attorney is the elected district attorney for New York County (Manhattan), New York.
 The office is responsible for the prosecution of violations of New York state laws. (Federal law violations in Manhattan are prosecuted by the U.S. Attorney for the Southern District of New York.)
 The current district attorney is Cyrus Vance, Jr.
Peter Deegan is an American attorney who has been confirmed to serve as the next United States Attorney for the United States District Court for the Northern District of Iowa.
 He previously served as an assistant U.S. attorney and the chief of the criminal division in the Northern District of Iowa.
 Deegan was an assistant U.S. attorney in the United States District Court for the Eastern District of Michigan from 2004 to 2006.
 He has prosecuted a number of federal offenses, including complex white collar and business crime.
 Earlier in his career, Deegan was an associate attorney at Murphy Smith and Polk in Chicago, where he was active in labor and employment litigation.
 After being nominated to become a U.S. Attorney by President Donald Trump, Deegan was confirmed unanimously by the United States Senate on September 14, 2017.
Halsey Frank is an American attorney.
 Currently an Assistant United States Attorney in the United States District Court for the District of Maine, he is President Donald Trump's nominee to become U.S. Attorney for the District of Maine.
 Frank previously served as an Assistant U.S. Attorney in the District of Columbia and as a trial attorney in the torts branch of the civil division in the United States Department of Justice.
 He has prosecuted a number of high-profile criminal cases in Maine.
 Frank was recommended for the position of U.S. Attorney by U.S. Senator Susan Collins.
Preetinder Singh "Preet" Bharara ( ; born October 13, 1968) is an American lawyer who served as U.S. Attorney for the Southern District of New York from 2009 to 2017.
 As U.S. Attorney, Bharara earned a reputation of a "crusader" prosecutor.
 According to the "New York Times", during his tenure he was one of "the nation's most aggressive and outspoken prosecutors of public corruption and Wall Street crime."
 Under Bharara, the U.S. Attorney's Office for the Southern District of New York prosecuted nearly 100 Wall Street executives for insider trading and other offenses.
 He reached historic settlements and fines with the four largest banks in the United States, and closed multibillion-dollar hedge funds for activities including insider trading.
Joshua Minkler is an American attorney.
 Currently serving as the interim United States Attorney for the United States District Court for the Southern District of Indiana, he has been nominated by President Donald Trump to become the permanent U.S. Attorney for the same district.
 Prior to becoming interim U.S. Attorney in June 2015, Minkler served for 21 years as an Assistant U.S. Attorney in the Southern District of Indiana, where he held the positions of First Assistant United States Attorney and Chief of the Drug and Violent Crime Unit.
 Before he joined the U.S. Attorney's office, Minkler served for five years as an assistant prosecuting attorney in the office of the Kent County, Michigan prosecuting attorney, where he prosecuted violent crimes.
Joon Hyun Kim is the acting U.S. attorney for the Southern District of New York.
 He was promoted to deputy U.S. attorney for the southern district of New York, in July 2015, after serving as the chief of the criminal division, since July 2014.
 From April 2013 to July 2014, Kim was the chief counsel to the U.S. attorney.
D. Michael Hurst Jr. is an American attorney.
 Currently the director of the Mississippi Justice Institute and general counsel for the Mississippi Center for Public Policy, he is President Donald Trump's nominee to become United States Attorney for the United States District Court for the Southern District of Mississippi.
 Hurst Jr. previously served as an assistant U.S. attorney in the Southern District of Mississippi, as legislative director and counsel to Congressman Chip Pickering, and as counsel to the Constitution Subcommittee of the United States House Committee on the Judiciary.
Edwards Pierrepont (March 4, 1817 – March 6, 1892) was a popular American attorney, reformer, jurist, traveler, New York U.S. Attorney, U.S. Attorney General, U.S. Minister to England, and orator.
 Having graduated from Yale in 1837, Pierrepont studied law and was admitted to the bar in 1840.
 During the American Civil War, Pierrepont was a Democrat, although he supported President Abraham Lincoln.
 Pierrepont initially supported President Andrew Johnson's conservative Reconstruction efforts having opposed the Radical Republicans.
 In both 1868 and 1872, Pierrepont supported Ulysses S. Grant for President.
 For his support, President Grant appointed Pierrepont United States Attorney in 1869.
 In 1871, Pierrepont gained the reputation as a solid reformer, having joined New York's "Committee of Seventy" that shut down Boss Tweed's corrupt Tammany Hall.
 In 1872, Pierrepont modified his views on Reconstruction and stated that African American freedman's rights needed to be protected.
TrumpiLeaks is a whistleblower website started by American documentary filmmaker and author Michael Moore to solicit leaks of material about Donald Trump from within the Trump Administration, the Trump Organization, and U.S. citizenry.
 Moore was inspired to create the site after witnessing the firing by Trump of three federal law enforcement officials: U.S. Attorney Preet Bharara, former Acting Attorney General Sally Yates, and former FBI Director James Comey.

Question: What Southern District of New York U.S. Attorney was fired by Trump?
Answer: Preet Bharara