News Flesh-eating bacteria tied to black tar heroin use kills 7 in San Diego, health officials say December 5, 2019 Ryan W. Miller, USA TODAY Comments Off on Flesh-eating bacteria tied to black tar heroin use kills 7 in San Diego, health officials say Between Oct. 2 and Nov. 24, nine people who had injected black tar heroin were admitted to San Diego County hospitals with severe myonecrosis.