Welcome to Zodiac Chronicle, a 24 part investigation into David Fincher's 2007 genre-altering masterpiece Zodiac. Adapted from Robert Graysmith's novel by screenwriter James Vanderbilt and starring Jake Gyllenhaal, Robert Downey Jr and Mark Ruffalo.

Senior editor and critic at Rolling Stone and the former Time Out New York editor, David Fear provided our introduction. Joining me for the fourth episode of our series PISCES PART 2 - as Graysmith immortalises the terrifying Zodiac as executioner sketch - is contributing Editor at Nerdist - Lindsey Romain. Film critic and editor at large of Empire Magazine U.K, co-host of the Empire podcast and author of the soon to be released Women Vs Hollywood: The Fall and Rise of Women in Film, Helen O'Hara. Editor-in-Chief of FANGORIA; Executive Producer, HORROR NOIRE & Shudder's upcoming queer horror doc - Phil Nobile Jr.

And returning Edgar-winning author of She Rides Shotgun and screenwriter Jordan Harper. Post-production wrangler, writer at The Film Stage and producer of The B-Side podcast Conor O'Donnell. Co-host on The B-Side podcast, co-founder of The Film Stage, and filmmaker Dan Mecca.