The Day of the Dolphin originally going to be directed by Roman Polanski for United Artists in 1969, with Polanski writing the script. However, while Polanski was in London, England, looking for filming locations in August 1969, his pregnant wife, the actress Sharon Tate, was murdered in their Beverly Hills home by disciples of Charles Manson. Polanski returned to the United States and abandoned the project. The following year it was announced Franklin Schaffner would make the movie for the Mirisch Corporation. These plans were frustrated and Joseph Levine ended up buying the project from United Artists for Mike Nichols. The film was mostly shot
Charles Manson April 1960. When one of the women was arrested for prostitution, Manson was arrested in June in Laredo, Texas, and was returned to Los Angeles. For violating his probation on the check-cashing charge, he was ordered to serve his ten year sentence. Manson spent a year trying unsuccessfully to appeal the revocation of his probation. In July 1961, he was transferred from the Los Angeles County Jail to the United States Penitentiary at McNeil Island, Washington. There, he took guitar lessons from Barker–Karpis gang leader Alvin "Creepy" Karpis, and obtained a contact name of someone at Universal Studios in Hollywood