1. William Guy Banister was an employee of the Federal Bureau of Investigation, an assistant superintendent of the New Orleans Police Department, and a private investigator.

1. William Guy Banister was an employee of the Federal Bureau of Investigation, an assistant superintendent of the New Orleans Police Department, and a private investigator.
Guy Banister was an avid anti-communist, alleged member of the Minutemen, the John Birch Society, Louisiana Committee on Un-American Activities, and alleged publisher of the Louisiana Intelligence Digest which maintained that the civil rights movement was part of an international communist conspiracy and was treasonous.
Guy Banister was born in Monroe, Louisiana, the oldest of seven children.
Guy Banister was present at the killing of John Dillinger.
In December 1944, Guy Banister was charged with investigating a fatal Fu-Go balloon bomb near Kalispell, Montana.
Guy Banister moved to Louisiana and, in January 1955, became Assistant Superintendent of the New Orleans Police Department, where he was given the task of investigating organized crime and corruption within the police force.
Guy Banister submitted reports on his findings to the FBI through contacts.
In December 1955, Guy Banister publicly revealed 91 members of the police who were involved in graft, after a list was found at the home of an illegal lottery operator.
Guy Banister denied the allegations, and the bartender described the incident as an "unprovoked attack".
Guy Banister told of investigating the first Japanese fire balloon to land in the US.
In June 1960, Guy Banister moved his office to 531 Lafayette Street on the ground floor of the Newman Building.
Guy Banister served as a character witness for Ferrie at his airline pilot's grievance board hearing in the summer of 1963.
Guy Banister believed that Martin had stolen some files and drew his.
Guy Banister claimed that Ferrie knew Oswald from their days in the New Orleans Civil Air Patrol, and that Ferrie might have taught Oswald how to use a rifle with a telescopic sight.
Guy Banister told him that she saw some Fair Play for Cuba leaflets in Banister's office when she went there after his death.
Guy Banister is a character in Oliver Stone's 1991 movie JFK, in which he is portrayed by Edward Asner.
Guy Banister is central to the plot of Don DeLillo's novel Libra.
Guy Banister appears as a character in James Ellroy's 1995 novel American Tabloid and its sequel The Cold Six Thousand.