The way a sizable conspiracy works is through compartmentalization - the "need to know" - the same way the Pentagon, CIA, Mafia, and defense industry operate. A small group of plotters on top is isolated by a buffer of middle-level managers, who in turn communicate with lower-level managers and their separate teams. Many people farther down in the organization chart may not even be briefed on the full picture - they may be told a cover story and have no idea that they are working to assassinate someone.
Plot Organizers
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Finance............ Project Coordinators.............................................................................Mechanics
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Propanganda/Mexico City/Cover Story........Political/Security/Motorcade........Logistics/Transportation/Bagmen......Shooter teams/Dealey Plaza
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Patsy Setup
The following are my primary suspects. Not necessarily all of these people were involved, but it's a fantasy list of plotters. Names in bold are Team Leaders.
PLOT ORGANIZERS
Lyman Lemnitzer (former Chairman of Joint Chiefs, NATO commander in 11/63)
Allen Dulles (former CIA director)
Richard Bissell (former CIA deputy director for plans)
Curtis LeMay (Air Force, member of the Joint Chiefs)
Thomas Power (SAC commander)
Adm. George W. Anderson (former member of Joint Chiefs, ambassador to Portugal in 11/1963)
Desmond Fitzgerald (CIA)
PROJECT COORDINATORS
Tracy Barnes
Theodore Shackley
FINANCIAL
Paul Helliwell
Marshall Diggs
Mario Kohly
Hunts
Murchisons
Harvey Bright
D.H. Byrd
Meyer Lansky
Jimmy Hoffa
PROPAGANDA/MEXICO CITY/BLAMING CASTRO
David Atlee Phillips
James Jesus Angleton
George Joannides
E. Howard Hunt
Manuel Artime
John Martino
Frank Sturgis
Hal Hendrix
John M. Whitten
Richard Helms
Frank Wisner
Emilio Nunez Portuondo
Antonio Veciana
POLITICAL/SECURITY/MOTORCADE
Charles Cabell
SECRET SERVICE DALLAS POLICE
Gerald Behn M.W. Stevenson
Floyd Boring Roscoe White
Emory Roberts Patrick Dean
W. Patrick Gannaway
J.D. Tippit (?)
LOGISTICS/TRANSPORTATION/BAGMEN (DALLAS/NEW ORLEANS/MIAMI/CHICAGO)
Sheffield Edwards
Grayston Lynch
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Carlos Marcello, Santos Trafficante, Sam Giancana, Robert Maheu, Johnny Roselli
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Jack Ruby Gordon Campbell Tony Varona
Guy Banister Thomas Clines Michael Townley
Dave Ferrie Edwin Anderson Collins Bernardo de Torres
Sergio Arcacha Smith Tony Cuesta
Nestor Castellanos Howard K. Davis
Homer Echeverria Thomas Eli Davis
William Pawley Gerry Patrick Hemming
John Thomas Masen Stanley Drennan
Richard Cain Armando Lopez Estrada
Pedro Valeriano Gonzalez Richard Hathcock
Salvatore Granello James Arthur Lewis
Larry Crafard Dave Yaras
Rafael Villaverde
SETTING UP THE PATSY
David Atlee Phillips
George Joannides
James Jesus Angleton
George De Mohrenschildt
Ruth and Michael Paine
Guy Banister
Carlos Bringuier
Clay Shaw
Warren DeBrueys
Jack Lawrence
Henry O. Chenyworth
Wesley Frazier
Patsies/Possible Patsies
Lee Harvey Oswald
Gilberto Policarpo Lopez
Thomas Arthur Vallee
MECHANICS
William K. Harvey (in Rome 11/63 - access to possible Gladio assassins)
David Sanchez Morales
Mitchel WerBell III
Three shooting teams:
Trainer/Team Leader
Primary shooter
Backup shooter
Lookout/assistant
Possible shooters:
Corsicans?
Steve Justin Wilson
Robert K. Brown
Eladio Del Valle
Loran Hall
Herminio Diaz Garcia
Virgilio Gonzalez
Roy Hargraves
Charles Harrelson
Lawrence Howard
Nestor 'Tony' Izquierdo
Carl Jenkins
Eugenio Martinez
Igor “the Turk†Vaganov
DEALEY PLAZA LOOKOUTS/FAKE SECURITY/COMMUNICATIONS
Orlando Bosch
Gordon Novel
Bernard Barker
William Bishop
Edgar Eugene Bradley
James Hicks