Filbert St (January 1, 1970). "666 Filbert Street, San Francisco, CA 94133". Google Maps . Retrieved December 20, 2013. {{ cite web}}: CS1 maint: numeric names: authors list ( link)

Dirty Harry is a 1971 American action thriller film [2] produced and directed by Don Siegel, the first in the Dirty Harry series. Clint Eastwood plays the title role, in his first appearance as San Francisco Police Department (SFPD) Inspector "Dirty" Harry Callahan. The film drew upon the real-life case of the Zodiac Killer as the Callahan character seeks out a similar vicious psychopath. [3]Jamie Vanderbilt (July 5, 2006). "CHRONICLES Based on the books "Zodiac" and "Zodiac Unmasked" by Robert Graysmith" (PDF). Dirty Harry” supplanted suspense by action, tension by brutality, character by a bigger and better bullet. Martin, Lonergan (2015). Callahan – A Dirty Harry Story. London: bigfootwriter.com. ISBN 978-1-5369-0394-2. Eastwood" (PDF). Channels of Communication. 1983. p.57 . Retrieved August 25, 2023– via worldradiohistory.com.

Krausgrill Place, San Francisco, CA 94133". Google Maps. January 1, 1970 . Retrieved December 20, 2013. Holiday Inn Chinatown, 750 Kearny Street – rooftop swimming pool 37°47′42.7″N 122°24′15.7″W / 37.795194°N 122.404361°W / 37.795194; -122.404361 in the opening scenes. It is now the Hilton – San Francisco Financial District. [29]Grandview Park – where the school bus stops to let off some children and Scorpio takes the other kids and the driver hostage Jenkins, John Philip. "Zodiac Killer". Encyclopædia Britannica at Britannica.com. Retrieved May 6, 2015. Washington Square, San Francisco, CA". Google Maps. November 4, 2013 . Retrieved December 20, 2013. Jasper (January 1, 1970). "Jasper, San Francisco, CA 94133". Google Maps . Retrieved December 20, 2013.