David Edwin Mason. Executed in the notorious “Coughing Box”. Here’s why.For Exclusive Content www.patreon.com/darktopicSources:California Executed InmatesExecuted Inmate Summary - David Edwin Mason - Capital PunishmentLA Times Archive 1993https://www.latimes.com/archives/la-xpm-1993-08-22-mn-26483-story.htmlPeople v. MasonPEOPLE v. MASON (1991) | FindLawThe Executioners TaleFormer San Quentin executioner reveals how he killed prisoners with no training | Daily Mail OnlineOur Sponsors:* Check out Factor 75 and use my code darktopic50 for a great deal: https://www.factor75.com/* Check out Rosetta Stone and use my code TODAY for a great deal: https://www.rosettastone.com/* Check out True Crime Feed : https://linktr.ee/truecrimefeedAdvertising Inquiries: https://redcircle.com/brandsPrivacy & Opt-Out: https://redcircle.com/privacy