As the United States works through what the American Medical Association describes as “the worst drug addiction epidemic in its history,” we revisit the story of Dimitri. This former junkie was delivered from a 27-year heroin addiction by a controversial treatment that seems to work miracles for people addicted to opioids. Since kicking the habit, he’s been an evangelist to other junkies, spreading the good news about the wondrous drug that instantly cured him.