GOODYEAR, Ariz.—Mitch and Josephine Dunn of Arizona believe their beautiful daughter, Ashley Marie, didn’t just die of an overdose on May 26, 2021. They say she was murdered.  And the lethal weapon that took her 26-year-old life was fentanyl. “She was poisoned,” said Josephine, the anger in her voice building. “These drug dealers are no longer drug dealers. They’re serial killers.” “Our daughter smoked half a pill—enough to kill two-and-a-half people. Our grandson no longer has a mother,” she said. And the Dunns aren’t alone in their grief. Renee Wright of Arizona said she feels she’s just as much a victim of the fentanyl plague as her young daughter. As the mother of a fentanyl addict, Wright said she knows her daughter is still out there, living dangerously on the streets in Arizona, though “day-to-day I don’t know if she’s going to be alive or dead.”  Addressing the Dunns, she said, …