27 Researchers of the assassination of John F. Kennedy

George Robert Blakey is an American attorney and law professor. He is best known for his work in connection with drafting the Racketeer Influenced and Corrupt Organizations Act and for scholarship on that subject.

Vincent T. Bugliosi Jr. was an American attorney and New York Times bestselling author. During his eight years in the Los Angeles County District Attorney's Office, he successfully prosecuted 105 out of 106 felony jury trials, which included 21 murder convictions. He was best known for prosecuting Charles Manson and other defendants accused of the Tate–LaBianca murders of August 9–10, 1969.

Mortal Error: The Shot That Killed JFK is a 1992 non-fiction book by Bonar Menninger outlining a theory by sharpshooter, gunsmith, and ballistics expert Howard Donahue that a Secret Service agent accidentally fired the shot that actually killed President John F. Kennedy. Mortal Error was published by St Martin's Press in hardback, paperback, and audiobook.

James Henry Fetzer is a professor emeritus of the philosophy of science at the University of Minnesota Duluth, conspiracy theorist and Holocaust denier. Fetzer has worked on assessing and clarifying the forms and foundations of scientific explanation, probability in science, philosophy of mind, and philosophy of cognitive science, especially artificial intelligence and computer science.

Mark Fuhrman is a former detective of the Los Angeles Police Department (LAPD). He is primarily known for his part in the investigation of the murders of Nicole Brown Simpson and Ron Goldman in the O. J. Simpson murder case.

James Carothers Garrison was the District Attorney of Orleans Parish, Louisiana, from 1962 to 1973. A member of the Democratic Party, he is best known for his investigations into the assassination of President John F. Kennedy and prosecution of New Orleans businessman Clay Shaw to that effect in 1969, which ended in Shaw's acquittal. The author of three books, one became a prime source for Oliver Stone's film JFK in 1991, in which Garrison was portrayed by actor Kevin Costner, while Garrison himself also made a cameo as Earl Warren.

Dorothy Mae Kilgallen was an American journalist and television game show panelist. After spending two semesters at the College of New Rochelle, she started her career shortly before her 18th birthday as a reporter for the Hearst Corporation's New York Evening Journal. In 1938, she began her newspaper column "The Voice of Broadway", which eventually was syndicated to more than 140 papers. In 1950, she became a regular panelist on the television game show What's My Line?, continuing in the role until her death.

Mark Lane was an American attorney, New York state legislator, civil rights activist, and Vietnam war-crimes investigator. He is best known as a leading researcher, author, and conspiracy theorist on the assassination of United States President John F. Kennedy. From his 1966 number-one bestselling critique of the Warren Commission, Rush to Judgment, to Last Word: My Indictment of the CIA in the Murder of JFK, published in 2011, Lane wrote at least four major works on the JFK assassination and no fewer than ten books overall.

Richard Lindenberg was a physician and pathologist, a Luftwaffe Captain during World War II, later Chief Neuropathologist of the State of Maryland. He testified before the Rockefeller Commission on the death of President John F. Kennedy.

William Raymond Manchester was an American author, biographer, and historian. He was the author of 18 books which have been translated into over 20 languages. He was awarded the National Humanities Medal and the Abraham Lincoln Literary Award.

Jim Marrs, born James Farrell Marrs Jr., was an American newspaper journalist and New York Times best-selling author of books and articles on a wide range of alleged cover-ups and conspiracies. Marrs was a prominent figure in the JFK assassination conspiracy theories community and his 1989 book Crossfire was a source for Oliver Stone's 1991 film JFK. He wrote books asserting the existence of government conspiracies regarding aliens, 9/11, telepathy, and secret societies. He began his career as a news reporter in the Dallas–Fort Worth–Arlington metroplex and taught a class on the assassination of John F. Kennedy at University of Texas at Arlington for 30 years. Marrs was a member of the Scholars for 9/11 Truth.

Joseph McBride is an American film historian, biographer, screenwriter, author and educator. He has written numerous books including biographies of notable film directors, a book on screenwriting, an investigative journalism book on the JFK assassination, and a memoir of the dark years in his life.

Dale K. Myers is a computer animator, author, and John F. Kennedy assassination researcher. He was honored in 2004 with an Emmy Award from the National Academy of Television Arts and Sciences for his computer animated recreation of the Kennedy assassination featured in ABC News' 40th anniversary television special, Peter Jennings Reporting: The Kennedy Assassination — Beyond Conspiracy (2003). He is also noted for authoring, With Malice: Lee Harvey Oswald and the Murder of Officer J. D. Tippit (1998) and Computer Animation: Expert Advice on Breaking Into the Business. (1999).

Carl Preston Oglesby was an American writer, academic, and political activist. He was the President of the leftist student organization Students for a Democratic Society (SDS) from 1965 to 1966.

Revilo Pendleton Oliver was an American professor of Classical philology, Spanish, and Italian at the University of Illinois at Urbana-Champaign. After World War II, he published in American Opinion, becoming known as a polemicist for white nationalist and right-wing causes.

Willem Leonard Oltmans was a Dutch investigative journalist and author active in international politics.

Ion Mihai Pacepa was a two-star general in the Securitate, the secret police of the Socialist Republic of Romania, who defected to the United States in July 1978 following President Jimmy Carter's approval of his request for political asylum. He was the highest-ranking defector from the former Eastern Bloc, and wrote books and articles on the inner workings of communist intelligence services. His best known work is the book Disinformation.

Gerald Leo Posner is an American investigative journalist and author of thirteen books, including Case Closed: Lee Harvey Oswald and the Assassination of JFK (1993), which explores the John F. Kennedy assassination, and Killing the Dream: James Earl Ray and the Assassination of Martin Luther King, Jr. (1998), about the assassination of Martin Luther King, Jr. A plagiarism scandal involving articles Posner wrote for The Daily Beast and his book Miami Babylon arose in 2010. In 2015, the Chicago Tribune called Posner "a merciless pitbull of an investigator."

Leroy Fletcher Prouty served as Chief of Special Operations for the Joint Chiefs of Staff under President John F. Kennedy. A former colonel in the United States Air Force, he retired from military service to become a bank executive. He subsequently became a critic of U.S. foreign policy, particularly the covert activities of the Central Intelligence Agency (CIA), about which he had considerable inside knowledge.

Morton Lyon Sahl is a Canadian-born American comedian, actor, and social satirist, considered the first modern stand-up comedian since Will Rogers. Sahl pioneered a style of social satire that pokes fun at political and current event topics using improvised monologues and only a newspaper as a prop.

Peter Dale Scott is a Canadian-born poet, academic, and former diplomat.

William Oliver Stone is an American film director, producer, and screenwriter. Stone won an Academy Award for Best Adapted Screenplay as writer of Midnight Express (1978), and wrote the gangster film remake Scarface (1983). Stone achieved prominence as writer and director of the war drama Platoon (1986), which won Academy Awards for Best Director and Best Picture. Platoon was the first in a trilogy of films based on the Vietnam War, in which Stone served as an infantry soldier. He continued the series with Born on the Fourth of July (1989)—for which Stone won his second Best Director Oscar—and Heaven & Earth (1993). Stone's other works include the Salvadoran Civil War-based drama Salvador (1986); the financial drama Wall Street (1987) and its sequel Money Never Sleeps (2010); the Jim Morrison biographical film The Doors (1991); the satirical black comedy crime film Natural Born Killers (1994); a trilogy of films based on the American Presidency: JFK (1991), Nixon (1995), and W. (2008); and Snowden (2016).

Roger Jason Stone is an American conservative political consultant and lobbyist. Since the 1970s, Stone has worked on the campaigns of Republican politicians, including Richard Nixon, Ronald Reagan, Jack Kemp, Bob Dole, George W. Bush, and Donald Trump. In addition to frequently serving as a campaign adviser, Stone was a political lobbyist. In 1980, he co-founded a Washington, D.C.–based lobbying firm with Paul Manafort and Charles R. Black Jr. The firm recruited Peter G. Kelly and was renamed Black, Manafort, Stone and Kelly in 1984. During the 1980s, BMSK became a top lobbying firm by leveraging its White House connections to attract high-paying clients, including U.S. corporations and trade associations, as well as foreign governments. By 1990, it was one of the leading lobbyists for American companies and foreign organizations.

Anthony Bruce Summers is an Irish author. He is a Pulitzer Prize Finalist and has written ten best-selling non-fiction books.

Jesse Ventura is an American politician, actor, television presenter, political commentator, author, and retired professional wrestler. After achieving fame in the World Wrestling Federation, he served as the 38th governor of Minnesota from 1999 to 2003. He was elected governor with the Reform Party and is the party's only candidate to win a major government office.

Cyril Harrison Wecht is an American forensic pathologist. He has been the president of both the American Academy of Forensic Sciences and the American College of Legal Medicine, and headed the board of trustees of the American Board of Legal Medicine. He served as County Commissioner and Allegheny County Coroner and Medical Examiner serving the Pittsburgh metropolitan area. He is perhaps best known for his criticism of the Warren Commission's findings concerning the assassination of John F. Kennedy.