You can now receive the latest newsletter from the Valley News directly in your inbox and never miss a headline.
by Nicole Lewis The Washington Post, Emma Ockerman The Washington Post, Joel Achenbach The Washington Post, and Wesley Lowery The Washington Post Philadelphia — Art Gutierrez comes to the corner of Kensington Avenue and Somerset Street every morning to buy heroin.What he’s actually getting in Philadelphia’s notorious open-air drug market is heroin laced with an even more potent additive, often…
