The background sound was built around a field recording of rose-breasted grosbeaks, a bird species also known as the “cut-throat” due to the red coloration around their throat. It’s native to the forests of the Northeastern US and Canada, including the forests where the bin killer stashed victims.
Other media used include: TV programs: 20/20, NBC News, Law & Order, CBC, Unsolved Mysteries, KPIX Eyewitness News, Making a Murderer, ABC News, Inside Edition, The Staircase, CNN, CBS Sacramento 13, 1986, WGN News. Podcasts: Snapped, Tom Brown’s Body, My Favorite Murder, Buried Bones, Serial. Radio Drama: “Murder Castle” – Lights Out