The Bulgarian Umbrella Gun25:28Sources:Pigeon Cameras:https://www.nature.com/news/2004/041122/full/news041122-7.html#:~:text=It's%20official%3A%20homing%20pigeons%20really,magnetic%20particles%20in%20their%20beaks.&text=But%20the%20latest%20findings%20suggest%20that%20they%20are%20using%20magnetic%20cues.Mora C. V., Davison C. V., Wild J. M. & Walker M. M. Nature, 432. 508 - 511 (2004). | Article | PubMed | ISI | ChemPort |https://ui.adsabs.harvard.edu/abs/2012Natur.484..367T/abstracthttps://www.history.com/news/pigeon-cameras-and-other-cia-cold-war-spy-gearhttps://pigeonsarentreal.co.uk/pigeon-drone-the-surveillance-technology/https://en.wikipedia.org/wiki/Magnetoreceptionhttps://en.wikipedia.org/wiki/Homing_pigeonhttps://www.bbc.com/news/world-us-canada-49692534https://www.cia.gov/about-cia/cia-museum/experience-the-collection/text-version/collection-by-subject/aerial-reconnaissance.htmlhttp://www.nbcnews.com/id/38057753/ns/technology_and_science-science/t/trickiest-spy-gadgets-ever/#.X1Iw_XlKg2wThe Bulgarian Umbrella Gun:https://www.atlasobscura.com/articles/the-true-history-of-the-umbrella-gun-a-surprisingly-serious-weaponhttps://www.deutsches-spionagemuseum.de/en/sammlung/bulgarian-umbrellahttps://en.wikipedia.org/wiki/Bulgarian_umbrellahttps://ultimatepopculture.fandom.com/wiki/Umbrella#In_arts_and_entertainmenthttps://www.pbs.org/wnet/secrets/umbrella-assassin-clues-evidence/1552/“Secrets of the Dead” episode “Umbrella Assassin” by PBS. Theme Song by Olivia Griffin, Briana Fogleman, and Joshua Steckelberg