Tracey Helton Mitchell writes about living in San Francisco with an addiction in her memoir "The Big Fix" and now works in harm reduction in the city. The Big Fix: Hope After Heroin https://sfpl.bibliocommons.com/v2/record/S93C3207933 Tracey on YouTube https://www.youtube.com/@traceyh415. Tracey on TikTok https://www.tiktok.com/@traceyh415 Black Tar Heroin: The Dark End of the Street - HBO documentary released in 2000, following Tracey and others around San Francisco https://archive.org/embed/blacktarherointhedarkendofthestreet Update on the cast from Black Tar Heroin https://www.youtube.com/watch?v=1jQSpNmLVeM